Pentaene
[化] 五烯
🗣️ 情景例句
The club will now hear this member's proposal.
俱乐部将听取这个成员的揭底。
No pleasure without alloy (or pain or repentance).
乐中有悲。
We stopped in Moscow on the way, but only for an hour or two, so there was no time to go into the centre of the city.
我们在莫斯科停了一下，但只停了一两个小时，所以没有时间去市中心玩。