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Top 5 Solar Energy Advances Using Perovskites

269,460 views

Undecided with Matt Ferrell

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 13:40 / 14:01

Speech Rate:

  • 185 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

promise

/ˈpräməs/

noun verb

assurance that one will do something. To say you will certainly do something.

discovered

/dəˈskəvər/

verb

find unexpectedly or while searching.

sitting

/ˈsidiNG/

adjective noun verb

in seated position. continuous period of being seated. To take an exam.

improvements

/imˈpro͞ovmənt/

noun other

example of improving or being improved. Additions or changes that make something better.

performance

/pərˈfôrməns/

noun

Activity done to entertain an audience.

calcium

/ˈkalsēəm/

noun

A substance important for making bones and teeth.

crystal

/ˈkristl/

adjective noun

clear and transparent. Rock with regularly repeating internal structure.

welcome - welcome

/ˈwelkəm/

adjective exclamation noun verb

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

structure

/ˈstrək(t)SHər/

noun verb

arrangement of and relations between parts or elements of something complex. To plan, organize, or arrange the parts of something.

traditional

/trəˈdiSH(ə)n(ə)l/

adjective

Involved in a custom or event common to a people.

covered

/ˈkəvər/

verb

To wrap something with something, such as a cloth.

warranty

/ˈwôrən(t)ē/

noun

written guarantee, issued to purchaser of article by its manufacturer, promising to repair or replace it if necessary within specified period of time.

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