Dioolymer
二聚物
🗣️ 情景例句
I'd like you to meet my friend Malcolm Stewart.
我来为你介绍我的朋友Malcolm Stewart。
The weather has been hot so far this summer.
到目前为止，今夏天气一直很炎热。
I am looking forward to your visit next week.
我期待着你下周来访。