Hexenone
己烯酮
🗣️ 情景例句
During your computer classes, did they teach you how to fix a cooling fan?
在你的电脑课程，他们是否教过你如何修理散热风扇？
It's a dark town.
这是一个黑暗的乡镇。
1 Make a list of 10 things which you like doing most.
1。列出一张你最喜欢做的10件事情的清单。