The puppy happily wag its tail.

小狗高兴地扭动尾巴。

The cat wag its tail when it is angry.

猫咪生气时会扭动尾巴。

Why does a dog wag its tail?

狗为什么要摇尾巴？

The robotic cat can wag its tail.

那只机器猫能摇尾巴.

When a dog is happy, it will wag its tail.

狗狗高兴的时候会摇尾巴。

Money will buy you a fine dog, but only love can make it wag its tail.

有钱就能买只可爱的狗，但是有爱才能让它对你摇尾巴。 。