Polydideuteroethylene
[化] 聚二氘乙烯
🗣️ 情景例句
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
How much does she need?
她需要多少？
I invited him here. Zheng Jie has some interesting plans. But let's talk more over supper.
我邀请他来的。郑杰有一些有趣的计划。不过，我们不是在吃晚饭的时候再谈吧。