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How does a Helicopter fly?

8,610,103 views

Lesics

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

Speech Time:

77%
  • 6:33 / 8:29

Speech Rate:

  • 188 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

specifically

/spəˈsifək(ə)lē/

adverb

in exact and clear way.

exhaust

/iɡˈzôst/

noun verb

waste gases or air expelled from engine. To emit gas from the back of a car.

complexity

/kəmˈpleksədē/

noun

State of having many parts and not being simple.

generate

/ˈjenəˌrāt/

verb

produce or create.

physics

/ˈfiziks/

noun other

branch of science concerned with nature and properties of matter and energy. The study of heat, light, and energy on objects.

combustion

/kəmˈbəsCH(ə)n/

noun

process of burning something.

turning

/ˈtərniNG/

noun verb

place where road branches off from another. To become a different quality, color, etc..

horizontal

/ˌhôrəˈzän(t)l/

adjective noun

A level and flat position. horizontal line, plane, etc..

science

/ˈsīəns/

noun

Study of the physical world, based on facts.

gravitational

/ˌɡravəˈtāSH(ə)nəl/

adjective

relating to movement towards centre of gravity.

primary

/ˈprīˌmerē/

adjective noun verb

Most important, most basic or essential. preliminary election. run as opponent of incumbent in preliminary election.

rotation

/rōˈtāSH(ə)n/

noun

Movement in a circle around a central point.

greater

/ɡrāt/

adjective

of above average extent.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. From the beginning of something until the end. moving in one side and out of other side of.

without

/wəˈT͟Hout/

adverb conjunction preposition

outside. without it being case that. Not with; not having.

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