Precipitated bismuth
[医] 沉降铋
🧩 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
bismuth
['bizməθ]
n. 铋;
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
I heard the clock, but I didn't get up until 9.
我听见闹钟了，但我捱到九点才起。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。