Shadowing Practice: Science in English #4 | Compounds and chemical formulas - Learn English Speaking with Video

Este vídeo tiene 45 frases y 341 palabras para practicar shadowing. La parte hablada dura 2:51. El hablante mantiene un ritmo constante de unas 120 palabras por minuto, cómodo para el shadowing. Solo el 74 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

15 palabras menos comunes del vídeo, con su pronunciación y significado:

• compound /ˈkɑmpaʊnd/ (sustantivo) — compuesto. Anything made by combining several things.
• element /ˈɛləmənt/ (sustantivo) — elemento. One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.
• atom /ˈætəm/ (sustantivo) — átomo. The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
• formula /ˈfɔː.mjʊ.lə/ (sustantivo) — fórmula. Any mathematical rule expressed symbolically.
• substance /ˈsʌbstəns/ (sustantivo) — sustancia, substancia. Physical matter; material.
• molecule /ˈmɑ.lɪ.kjul/ (sustantivo) — molécula. The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by…
• oxygen /ˈɑksɪd͡ʒən/ (sustantivo) — oxígeno. The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental…
• connect /kəˈnɛkt/ (verbo) — conectar, empalmar. To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object.
• combine /kəmˈbaɪn/ (verbo) — combinar, juntar. To bring (two or more things or activities) together; to unite.
• hydrogen /ˈhaɪdɹəd͡ʒ(ə)n/ (sustantivo) — hidrógeno. The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
• everyday /ˈɛvɹiˌdeɪ/ (adjetivo) — de diario, cuotidiano. Appropriate for ordinary use, rather than for special occasions.
• lesson /ˈlɛs.ən/ (sustantivo) — lección. A section of learning or teaching into which a wider learning content is divided.
• compare /kəmˈpɛɚ/ (verbo) — comparar, parangonar. To assess the similarities and differences between two or more things [“to compare X with Y”]. Having made the comparison of X with Y, one might have found it…
• discover /dɪˈskʌvə/ (verbo) — descubrir. To find or learn something for the first time.
• ratio /ˈɹeɪ.ʃoʊ/ (sustantivo) — razón, cociente. A number representing a comparison between two named things.

Phrasal verbs que vas a escuchar

• find out (verbo) — averiguar, anoticiarse. To discover, as by asking or investigating.
• look at (verbo) — mirar, funar. To observe or watch.

Cómo practicar con este vídeo

1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
2. Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
3. Grábate y compara con el original, prestando atención a palabras como compound, element, atom.

Gramática en este vídeo

Las estructuras que más usa el hablante, con las palabras exactas del vídeo: