Caproamide
[机] 己酸酐
🗣️ 情景例句
Hail to the victors valiant,
向勇敢的胜利者致敬，
I'd like to speak to Mr. Jack.
我要和杰克先生讲话。
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。