ฝึกพูดภาษาอังกฤษด้วยเทคนิค Shadowing จากวิดีโอ: Sofeast PCB Video Series Introduction
กำลังสร้างบทเรียน...
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Welcome to this video series where we're going to be covering PCBs.
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My name is Paul Adams from SofEast and I should be your host throughout the series.
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So let's have a look at the videos we have so far.
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In video one we have the PCB basics.
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We're going to be looking at the difference between a PCB and a PCBA.
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We're going to be looking at the PCB construction.
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In video two we're going to be covering the SMT process
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and I've broken this down into three separate sections so this will be part one of three.
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In part one we're going to be looking at the solder paste application, the component placement.
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In the SMT process part two video we're going to be looking at the reflow soldering process
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and the cleaning process or the phase.
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In part three of this series of SMT process we're going to be covering the electrical testing
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and then in video five we're going to be covering the inspection methods and common defects.
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In particular we're going to be looking at solder paste issues,
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pick and place issues, wave soldering issues.
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In video 6 in the series we're going to be covering reliability testing.
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We're going to be looking specifically at reliability and durability,
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temperature and humidity, and vibration.
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We're also going to be covering mechanical shock, and HALT and HAS testing.
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So SOF East are here to assist you
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if you need any help with finding manufacturing in China
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or getting better results from your current supply chain please get in touch with us using these details here.
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In the meantime please dive into video 1 and start watching the PCB videos.
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So once again my name is Paul Adams from SOF East and I'll see you in video 1.
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Vocabulary and speaking notes for this lesson
This video has 24 sentences and 297 words to shadow. The speech runs for 2:22. The speaker talks at a steady 126 words per minute, a comfortable pace for shadowing. 82% of the words are among the 3,000 most common in English; the rest is worth studying before you start.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| pasta noun | /ˈpɑ.stə/ | Dough made from wheat and water and sometimes mixed with egg and formed into various shapes; often sold in dried form and typically boiled for eating. |
| reliability noun | The quality of being reliable, dependable, or trustworthy. | |
| shock noun | /ʃɔk/ | A sudden, heavy impact. |
| assist verb | /əˈsɪst/ | To help. |
| electrical adjective | /ɪˈlɛktɹɪkəl/ | Related to electricity (or electronics) |
| mechanical adjective | /məˈkænəkəl/ | Related to mechanics (the branch of physics that deals with forces acting on matter). |
| component noun | /kəmˈpoʊ.nənt/ | A smaller, self-contained part of a larger entity. Often refers to a manufactured object that is part of a larger device. |
| inspection noun | /ɪnˈspɛkʃən/ | The act of examining something, often closely. |
| dive verb | /daɪv/ | To swim under water. |
| meantime noun | /ˈmiːntaɪm/ | The time spent waiting for another event; time in between. |
| placement noun | /ˈpleɪ̯smənt/ | The act of placing or putting in place; the act of locating or positioning; the state of being placed. |
| humidity noun | /hjuːˈmɪd.ə.ti/ | Dampness, especially that of the air. |
| defect noun | /ˈdiːfɛkt/ | A fault or malfunction. |
| vibration noun | /vaɪˈbɹeɪʃən/ | The act of vibrating or the condition of being vibrated. |
| solder noun | /ˈsɒl.də(ɹ)/ | Any of various easily melted alloys, commonly of tin and lead, that are used to mend, coat, or join metal objects, usually small. |
Pronunciation to watch
The speaker uses 14 contractions and reduced forms, such as we're, I'll, I've. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: shock /ʃɔk/, inspection /ɪnˈspɛkʃən/, vibration /vaɪˈbɹeɪʃən/
- Long words — get the stress right: electrical /ɪˈlɛktɹɪkəl/, mechanical /məˈkænəkəl/, humidity /hjuːˈmɪd.ə.ti/, durability /dəɹəˈbɪləti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like pasta, reliability, shock.
เทคนิค Shadowing คืออะไร?
Shadowing เป็นเทคนิคการเรียนรู้ภาษาที่ได้รับการรับรองทางวิทยาศาสตร์ พัฒนาขึ้นสำหรับการฝึกนักแปลมืออาชีพ วิธีการนี้เรียบง่ายแต่ทรงพลัง: คุณฟังเสียงภาษาอังกฤษจากเจ้าของภาษาและพูดตามทันที — เหมือนเงาที่ตามผู้พูดด้วยช่วงเวลาห่าง 1-2 วินาที การวิจัยแสดงว่าเทคนิคนี้ปรับปรุงความแม่นยำในการออกเสียง ทำนองเสียง จังหวะ การเชื่อมเสียง การฟังเข้าใจ และความคล่องแคล่วในการพูดได้อย่างมีนัยสำคัญ