Urethane
[化] 尿烷; 氨基甲酸乙酯; 乌拉坦
🗣️ 情景例句
on the telephone for me, please.
请替我拨电话。
I am beginning to understand that my personality is very complicated.
我开始明白自己的性格非常复杂。
At that moment Lucy came into the library.
正在那时候，露茜走进图书馆。