Aldehyde ketone
[机] 醛酮
🧩 词语组成解析
aldehyde
['ældihaid]
n. 醛，乙醛;
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
Frightened to death.
吓死人了。
She serves as an impressive reminder of the great ships of past.
它给人们留下深刻的印象，使人们回忆起历史上的巨型帆船，