The cats watched each other, their tails twitching.

两只猫晃动着尾巴彼此对视着。

He saw the dog's twitching nose poke out of the basket.

他看见那条狗颤搐的鼻子从篮子里露出来。

Your calves are twitching.

你的小腿肚正在抽搐。

His twitching nose was pleading more urgently than ever for relief.

他抽动着的鼻子比以往任何时候都更迫切地祈求解脱。

When my hand lay on her calf, I felt the constant twitching play of muscles.

当我的手放在她的小腿上时，我感觉到肌肉不断地在抽搐。