Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
He is now involved in stocks.
他现在热衷于股票。
It was a real pleasure for me to do it.
我很乐意这样做。
That's about the best we can do on that.
那差不多是我们所能开出的最低价了。