Pyrindane
吡任丹, 4-氮茚满, 4-氮杂全氢茚
🗣️ 情景例句
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
I hope you can find your book soon.
我希望你很快就找到你的书。
The plane was late and detectives were waiting at the airport all morning.
飞机误点了，侦探们在机场等了整整一上午。