跟讀練習: Dangerous Encounters | What if a Snapping Turtle Bites You? | Alligator Snapping Turtle Bite Force - 通過影片學習英語口語

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Oh, Little Kitty, if you like having all your fingers,
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you might want to stop feeding that turtle like that.
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Why?
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It's just a simple turtle.
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Oh, no, no, no. That's not just any turtle.
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That's an alligator snapping turtle.
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And it has one of the most powerful bites in the freshwater world.
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So what?
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That's a bold question, which makes it the perfect time to ask.
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What if a snapping turtle bites you?
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Zoom in!
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Imagine you're walking along the edge of a quiet pond.
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The water is still and then you notice something that looks like a mossy rock,
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except it blinks.
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Before you can react, you've gotten too close to one of the most powerful freshwater predators in North America.
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The Alligator Snapping Turtle, Macrochiles Teminckii.
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But before we quantify its bite, let's start with size.
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Because this is not a small animal,
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alligator snapping turtles can reach shell lengths of 16 to 28 inches.
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That's 40 to 70 centimeters and weigh anywhere from 18 to over 70 kgs or 40 to 155 pounds.
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Some rare individuals have even approached 100 kgs or 220 pounds.
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That's heavier than many middle schoolers.
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And it's all muscle, bone and armor.
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Now add the jaws.
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Unlike humans, turtles don't have teeth.
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Instead, snapping turtles have a sharp,
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hooked beak, powered by extremely strong jaw muscles.
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While exact bite force measurements vary,
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estimates suggest large individuals can exert forces of over 1000 Newtons,
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roughly comparable to the bite of a large dog.
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But here's the key difference.
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Their beak concentrates that force into a narrow blade-like edge,
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making it far more dangerous.
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closer to a pair of bolt cutters than a set of blunt jaws.
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If someone places a finger anywhere near its mouth,
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the turtle can strike by extending its neck rapidly,
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covering nearly half of its body length in a split second.
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And...snap!
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And it doesn't release quickly.
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It clamps down and holds on.
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The force and shape of the beak can crush small bones,
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tear muscle and in severe cases, amputate fingers.
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This is why wildlife experts strongly warn people never to place their hands near a snapping turtle's head, even accidentally.
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Then there's another risk people often forget, infection.
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Snapping turtles live in muddy, bacteria-rich water.
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A bite doesn't just cause physical damage,
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it can introduce harmful microbes into the womb.
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increasing the risk of serious infection without proper cleaning and medical care.
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What makes the alligator snapping turtle especially fascinating though,
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is how it uses its powerful bite.
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It doesn't chase prey, instead it sits motionless on the bottom,
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mouth open, wiggling a worm-like appendage on its tongue to lure fish.
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When prey gets close enough, SNAP!
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The same ambush mechanism that catches fish could just as easily injure a careless human hand.
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So what should you do if you encounter one?
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Respect the distance.
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Never try to pick one up.
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And remember, on land snapping turtles feel more vulnerable and are far more likely to defend themselves.
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The real lesson isn't fear, it's respect.
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Because if you ignore that,
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you might learn the hard way just how powerful a simple turtle can be.
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Trivia time!
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Did you know snapping turtles grow slowly but can live for 50 to 100 years or more?
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So when threatened, they can release a foul-smelling musk from glands behind their legs to deter predators.
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It's sketching time!
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Today's sketch of the day goes to Daphne Oskine.
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Hope you learned something striking today.
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Until next time, it's me, Dr. Binox, Zooming out!
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Perfect!
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Well, never mind.

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