Ureas
尿素塑料(类)
🗣️ 情景例句
Here, take a look at these Rolexes.
来看这几只劳力士吧！
He could always come up with a reason for them to linger another month.
他总能想出个理由来让他们再耽误上一个月。
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。