Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
The perfume was very delicate.
那种香气非常优雅。
of supplying sufficient details to enable the thing to be constructed.
而且向它提供制造核弹的细节，