Helitron
[电] 电子螺旋管
🗣️ 情景例句
She is busy now.
她正忙着呢。
You are taller than I am.
你比我高。
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。