Gearless
a. 无齿轮的\\n[机] 无齿轮装置的
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
I mean what I say.
我说话算数。
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place.
接着，冯·弗里施认为蜜蜂不仅需要知道到远的喂食点的距离。