N,n'-carbonyldiimidazole
[化] 羰二咪唑
??? 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
別笑。在初級課程中你有機會休息。
Did you have a good flight?
你旅途愉快嗎？
Good morning.
早上好。