Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
You are very lucky, Robbie, to have such a nice family.
Robbie你真幸运 拥有这样温馨的家。
Would you ever have imagined him becoming a politician?
你想过他能当上政治家吗？
We'll have to get this contract typed as soon as possible.
我们得尽快把契约书打出来。