Ethylene unit
[化] 乙烯装置
🧩 词语组成解析
n. 乙烯\\n[化] 乙烯; 1,2-亚乙基
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Yes.
是的。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Fifteen policemen had to push very hard to get him off the main street.
15个警察不得不用很大的力气把它推离主要街道。