Dipyrrole
α, α'-联吡咯
🗣️ 情景例句
What beautiful timing.
时间正合适。
According to Mr. Green,this is a complicated problem.
对于格林先生，这是一个复杂的问题。
The Ordnance Officer ordered all the port cannon to be heaved to starboard to counteract the list,
炮长命令把左舷上所有大炮搬到右舷上来以抵消船的倾斜，