Oxygen acid
[化] 含氧酸\\n[医] 含氧酸
🧩 词语组成解析
🗣️ 情景例句
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
What size shoes do you wear?
你穿的鞋子是什么尺寸的？
In the letter he was asked to call at the station.
要他到警察局去一趟。