Dimethylhexane
二甲基己烷
🗣️ 情景例句
Mr. Marker and his wife have invited me to a Christmas dinner.
马克先生和他妻子邀请我吃圣诞晚宴。
He preaches best who lives best.
言教不如身教。
Great! When are we going to leave?
太好了！我们打算什么时候出发？