Polyoxybutylene
[化] 聚氧化亚丁基
🗣️ 情景例句
Now that you're asked me, I think it's too short.
既然你问我了，我的想法是这部分太短了。
When the accident happened, I was having dinner.
当意外事故发生时候，我在吃晚餐。
Good. go ahead and do that.
好啊，就这么办。