Determeter
(往复式)去污试验仪
🗣️ 情景例句
My wife died four years ago.
我妻子四年前去世了。
I'm not leaving until I see you.
不见不散。
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。