Caproamide
[机] 己酸酐
🗣️ 情景例句
I don't mind at all.
我一点也不介意。
Learning makes a good man better and ill man worse.
知识能使好人更好，坏人更坏。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？