Selenous anhydride
[建] 二氧化硒
🧩 词语组成解析
二价硒的
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
🗣️ 情景例句
And I do feel bad about your mother
而且我觉得很过意不去让你母亲
I ask him to tell me the details about everything.
我要求他告诉我每件事的细节。
How long have you lived there?
你在那里住多久了？