Bipolymer
二(元共)聚物
🗣️ 情景例句
I would like to introduce you to your editor.
我来介绍你认识这本书的编辑。
The telepnone is out of order.
这电话出毛病了。
'We're going back now,' said the conductor.
“我们现在要返回去，”售票员说。