Perosmic anhydride
[化] 四氧化锇
🧩 词语组成解析
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
🗣️ 情景例句
Chances are they'll give in.
他们也许会做出让步。
You'll be on air in two minutes.
两分钟以后你会上电视。
The woman immediately behind the two cars happened to be a learner.
紧跟其后的一辆车上的司机碰巧是个初学者，