Polyurea
[化] 聚脲
🗣️ 情景例句
And thank you, Mrs. Vann.
谢谢！Vann太太。
Money is the root of all evil.
金钱是万恶之源。
I took one guiltily, lit it and smoked with satisfaction.
我内疚地接过一枝点上，心满意足地抽起来。