Ethylene
n. 乙烯\\n[化] 乙烯; 1,2-亚乙基
🗣️ 情景例句
Robbie, I want you to meet
Robbie，我要你见过
Could you do me a favor?
我想请你帮个忙。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。