Nitrourea
硝基脲
🗣️ 情景例句
I love you, Daddy.
我爱你，爸爸。
Better deny at once than promise long.
轻诺必寡信。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。