Pentylidyne
[化] 次戊基
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
When is grandparents' wedding anniversary?
祖父母的结婚周年是什么时候？
There's a bar next door to the station.
车站旁有一个酒吧。