Methyl-n-butyl ketone
[化] 2-己酮; 甲基·丁基酮; 甲基·丁基甲酮
🗣️ 情景例句
You've really been keeping an eye on quality.
你们的确在质量上下了功夫!
I hope to see you again.
希望能再见到您
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了,比人们想像的要早20,000年。
更多情景英语 ›