Phosphinous acid
[化] 三价膦酸
🧩 词语组成解析
🗣️ 情景例句
A serious matter.
一个严重的问题。
High-heeled shoes
高跟鞋
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。