Diethyl ketone
[化] 二乙基甲酮; 3-戊酮\\n[醫] 二乙酮
?? 詞語組成解析
a. [化]二乙基的
ketone
['ki:to?n]
n. 酮;
??? 情景例句
no concert, no stage presentations.
沒有音樂會， 沒有舞蹈表演。
I'm sorry. You're right. I should have asked.
對不起。你說得對，我本該先問一聲的。
I had not laughed since I became deaf.
我耳聾后就從來沒有笑過。