Dipentene
二戊烯
🗣️ 情景例句
to move the air-conditioning units
移动空调设备
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
He's awful!He telephoned me four times Yesterday, and three times the day before yesterday.
他讨厌透了！他昨天给我打了4次电话，前天打了3次。