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空气污染与老年人就医有关
2019-12-28来源:和谐英语
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expose – v. to leave (something) without covering or protection
soot – v. a black powder that is formed when something, such as wood or coal, is burned
data – n. facts or information used usually to calculate, analyze, or plan something
zip code – n. a group of numbers that is used in the U.S. as part of an address to identify a mail delivery area
cubic – adj. a measurement that is produced by multiplying something's length by its width and height
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