Naphthane
十氢化萘, 萘烷
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
I was born in a little town not far from here.
我出生在离这儿不远的小城市里。
He found my lecture interesting.
他觉得我讲课有趣。