Copolyether
共聚多醚
🗣️ 情景例句
I see. May I have your driver's license?
我明白了，请拿出你的驾驶执照好吗？
It's a poor mouse that has only on hole.
鼠只有一洞，必先把命送。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？