Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
I'll miss you too. You mean a lot to me.
我也会想你的。你在我心中的地位是很重要的。
How many languages do you speak?
你说多少种语言？
What kind of music does he sing?
他演唱哪种音乐？