Passwording
n. (通过警戒线等时使用的)口令；通行字；保密字；获准进入的手段 [参较 countersign]
🗣️ 情景例句
Robbie, maybe you should call them，
Robbie也许你应该给他们打个电话，
This is Tom. He's my classmate.
这是汤姆。我的同学。
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。