Althionic acid
[化] O-乙基硫酸
🧩 词语组成解析
🗣️ 情景例句
I said exactly the same thing to Grandpa.
我跟你爷爷说了同样的话。
What's your nationality?Are you a Chinese?
你的国籍是什么？你是中国人?
I'll be glad to do it.
我乐意为你们介绍。