Urethane
[化] 尿烷; 氨基甲酸乙酯; 乌拉坦
🗣️ 情景例句
Well, maybe, just maybe,
嗯， 或许 ，只是或许，
I got 4 oranges.
我拿了四个桔子。
I suddenly felt very worried, but could not say anything.
我突然非常着急起来，但却什么也说不出来。