Precipitated chalk
[化] 沉淀碳酸鈣\\n[醫(yī)] 沉淀白堊
?? 詞語組成解析
v. （突如其來地）使發(fā)生( precipitate的過去式和過去分詞 ); 促成; 猛然摔下; 使沉淀
chalk
[t??k]
n. 粉筆，白堊;用粉筆畫的記號;〈英〉（比賽）得分紀(jì)錄，記入借方的款項;〈美俚〉牛奶;
v. 用粉筆寫（記下）;用白堊粉擦（桌球桿等）;使蒼白;（英）把（酒錢）記于（某人）賬上;
chalk(lime石灰)→白堊；粉筆；粉筆做的記號；用粉筆寫
??? 情景例句
Don't worry. You'll get used to it in no time.
別擔(dān)心，你會很快習(xí)慣的。
His flattery makes me sick.
他的恭維讓我惡心。
Mathilde! I didn't know. I'm sorry. But what happened?
瑪?shù)贍柕?！我還不知道這些情況哩。我真難過。但是，這是怎么回事呢？