Methyl butyl ketone
[化] 甲基丁基甲酮; 甲丁酮
?? 詞語組成解析
n. 甲基\\n[化] 甲基
n. 丁基\\n[醫(yī)] 丁基
ketone
['ki:to?n]
n. 酮;
??? 情景例句
Hi.
你好。
Last month was December,wasn't it ?
上個月是十二月，對不對？
It is ten o'clock.Mrs.Sawyer usually stays at home in the morning, but this morning, she is going to the shops.
現(xiàn)在是10點鐘。上午，索耶夫人通常是呆在家里的，但今天上午，她正去商店買東西。