Nitrourea
硝基脲
🗣️ 情景例句
No. But in five or six months ...
不急。但是在五 、六个月后……
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
He has a nice sum of money put away.
他存了一大笔钱。