Tach
abbr. 环节（tache）；转速计（tachometer）
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
What are you thinking of?
你正在想什么？
Did the wagging dance tell the bees how far away the food was?
摇摆舞有没有告诉蜜蜂食物到蜂箱的距离有多远？