Potassium bifluoride
[化] 氟化氢钾; 氟氢化钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
[机] 氟氢化物
🗣️ 情景例句
Why does he want to do that?
为什么他要那么做呢？
Come back here, you brat!
回来，你这臭家伙！
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次为拳击比赛制定了规则，拳击比赛这才用上了手套。