Urethane
[化] 尿烷; 氨基甲酸乙酯; 乌拉坦
🗣️ 情景例句
I have lots of hobbies. I love to stay busy.
我有很多爱好，我喜欢让自己忙着。
One way or a round trip ticket?
单程票还是双程票呢？
I have just moved to a house in Bridge Street.
我刚刚搬进了大桥街的一所房子。