Urethane
[化] 尿烷; 氨基甲酸乙酯; 乌拉坦
🗣️ 情景例句
Maybe you read our ads in the newspaper.
也许你在报纸上看过我们的广告。
He is a gentle horse that never cast his rider.
驯良的马绝不会把骑手甩倒。
6-7-double 8-3-4.Right.
6-7，两个8，3-4。好的。