Neurogen
[医] 介质, 传递质; 神经原质
🗣️ 情景例句
Oh, OK.
噢， 好了。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。