Ethanearsonic acid
[化] 乙胂酸
🧩 词语组成解析
🗣️ 情景例句
In order to catch fish, you have to do this.
要钓鱼你就得这样。
Who is he?
他是谁？
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”