Potassium fluoride
[化] 氟化钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
I won't permit you to buy a crossbow, now or ever.
我不会允许你买弓弩的，永远也不会。
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
These were the so-called mainframe machines.
它们被称为主机。