Focimeter
焦点计
🗣️ 情景例句
Charley Rafer.
Charley Rafer。
Pain is forgotten where gain follows.
好了伤疤忘了痛。
The wagging dance of the honey bee, therefore, did show the direction of a feeding place.
如果喂食地点背离太阳，摇摆舞的直线部分就朝下。因此，蜜蜂的摇摆舞的确表示喂食点的方向。