Polydideuteroethylene
[化] 聚二氘乙烯
🗣️ 情景例句
Yes, how many would you like?
好，你要几片？
My thesis is due the same week as midterms.
毕业论文截止的日期，和期中考试那一周重复。
Two weeks ago it had a baby.
两周前它生了个孩子。