Leddicon
铝靶管, 氧化铝视象管, 雷迪康管
🗣️ 情景例句
Where's my husband?
我丈夫怎么还没来？
How long has he been with that company?
他在那家公司多久了？
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。