Phosphenic acid
[化] 氧次膦酸
🧩 词语组成解析
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
But it looks like that's out of the question.
但现在看起来不太可能。
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。