Chloroethanoic acid
[机] 氯乙酸
🧩 词语组成解析
🗣️ 情景例句
Sorry, I don't quite understand why...
对不起，我不太理解为什么…
Books, like friends, should be few and well chosen.
书籍如朋友，应该少而精。
On the left.
站在左边。