nibbed

例句：

1. 1.The dog nibbed at the cat as it passed by.
   狗在猫经过时咬了它。
2. 2. The baby nibbled on the apple while watching TV.
   宝宝看电视时啃了苹果。
3. 3. The wolf bit off a chunk of meat from the deer's leg.
   狼从鹿的腿上咬下了一大块肉。