Biruet
[化] 缩二脲
🗣️ 情景例句
Thank you for your good cooperation.
谢谢你们的大力合作。
He who stands alone has no power.
孤掌难鸣。
As his flat is in a large town, he has no garden of his own.
他住在大城市里的一所公寓里，没有自己的花园。