Focimeter
焦点计
🗣️ 情景例句
But I wear size ten.
但我穿十号的衣服。
Keep thing seven years and you will find a use for it.
备而不用。
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。