Polyethylene glycol 400
[医] 聚乙[烯]二醇400(分子量约400)
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. 乙二醇\\n[化] 二醇; 乙二醇
four hundred
🗣️ 情景例句
We're off to the animal shelter.
我们这就去动物收容所。
I'm afraid you will be too busy.
我怕你会太忙。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。