5th box -Flashcards

Multiple choice questions

Question:

1. Vapor

go around; go from place to place or person to person پخش شدن ، از مکانی به مکانی یا از شخصی به شخصی رفتن a. A fan may circulate the air in summer, but it doesn't cool it. b. My father circulated among the guests at the party and made them feel comfortable. c. Hot water circulates through the pipes in the building, keeping the room warm.
moisture in the air that can be seen; fog; mist بخار هوا که می توان آن را دید ، مه ، غبار a. Scientists have devised methods for trapping vapor in bottles so they can study its make-up. b. He has gathered data on the amount of vapor rising from the swamp. c. A vapor trail is the visible stream of moisture left by the engines of a jet flying at high altitudes.
moist; damp مرطوب ، نمناک a. It was so humid in our classroom that we wished the school would buy an air conditioner. b. New Yorkers usually complain in the summer of the humid air. c. Most people believe that ocean air is quite humid.
go or come down from a higher place to a lower level پایین رفتن یا پایین آمدن از مکانی بالاتر به سطحی پایین تر a. If we let the air out of a balloon, it will have to descend. b. The pilot, thinking his plane was in peril, descended quickly. c. Knowing her beau was waiting at the bottom of the staircase, Eleanor descended at once.

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