Precipitated chalk
[化] 沉淀碳酸钙\\n[医] 沉淀白垩
🧩 词语组成解析
v. （突如其来地）使发生( precipitate的过去式和过去分词 ); 促成; 猛然摔下; 使沉淀
chalk
[tʃɔk]
n. 粉笔，白垩;用粉笔画的记号;〈英〉（比赛）得分纪录，记入借方的款项;〈美俚〉牛奶;
v. 用粉笔写（记下）;用白垩粉擦（桌球杆等）;使苍白;（英）把（酒钱）记于（某人）账上;
chalk(lime石灰)→白垩；粉笔；粉笔做的记号；用粉笔写
🗣️ 情景例句
It's really different from what I expected.
这和我想象中的很不一样。
I learned history last month.
我上个月学历史。
Good morning, nurse.I was to see the dentist,please.
早上好，护士。我想见牙科医生。