Quacker
n. 鸭子, 发出嘎嘎声的人
🗣️ 情景例句
Something old ...
旧的东西……
I must insist you finish what you have started!
我是说一旦开始的事就必须坚持到底！
If the feeding place was away from the sun, the straight part of the wagging dance pointed downward.
如果喂食地点向着太阳，跳舞的蜜蜂在跳摇摆舞时直线部分就一直向上。