Nitrourea
硝基脲
🗣️ 情景例句
She has to work late tonight.
她今晚得工作得晚一些。
He is watching the sea on the mast.
他从桅杆上面眺望着大海。
Quite by accident. I moved a few peas and there it was.
很偶然。我挪了几颗青豆就发现了。