Flattening
n. 整平；扁率；壓扁作用
? 同義詞
??? 情景例句
We finished addressing over three hundred envelopes.
我們寫了三百多個信封地址了。
Happy landing.
祝您早安 注：是送行者向上飛機(jī)的人說的告別語。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，還有一種更加隱蔽有害的污染，它專門影響城鎮(zhèn)地區(qū)，侵襲我們的日常生活，那就是噪音。