Methyl ethyl ketone
[化] 甲基乙基甲酮; 甲·乙酮\\n[医] 甲乙酮
🧩 词语组成解析
n. 甲基\\n[化] 甲基
[化] 乙基\\n[医] 乙基
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
His name is John Smith.
他叫约翰、史密斯。
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。