Dimethyl
[医] 二甲基
🗣️ 情景例句
I'm sure the store has others.
我相信那家店一定还有其它的尺寸。
Many a good father hath but a bad son.
好父亲偏生不肖子。
We welcome the seasons by the riverside,
我们在河边迎接一年四季。