Piperidone
哌啶酮
🗣️ 情景例句
You're kidding!
在开玩笑！
How lucky we are!
我们多么幸运啊！
He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive.
他在蜂箱的西面放一个装有糖水和蜜蜂的玻璃碟子。