Ammonium fluoride
[化] 氟化铵\\n[医] 氟化铵
🧩 词语组成解析
n. 铵\\n[化] 铵
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
My final test is worth half my grade.
我的期末考试结果占我总成绩的一半。
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。