Coom
n. 煤煙\\n[建] 煤煙, 炭黑
??? 情景例句
Her surgery needs quite a lot of money.
她的手術(shù)得花不少錢。
Paddle your own canoe.
自立更生，自食其力。
Fearing the authorities, Eric remained in hiding after the war as well.
由于害怕當(dāng)局，埃里克戰(zhàn)后繼續(xù)深藏不露。