Polydideuteroethylene
[化] 聚二氘乙烯
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
Don't play innocent.
别装蒜！
There are about 50 million sheep in New Zealand, about 14 sheep for every New Zealander!
在新西兰大约有5000万只羊，每个新西兰人拥有14只羊左右！