第三人稱單數(shù)：nibbles；現(xiàn)在分詞：nibbling；過(guò)去式：nibbled；過(guò)去分詞：nibbled。

　　例句：

　　His teeth having all droped out, he could only nibble away at his food.

　　他的牙都掉光了，只好小口地咬著吃。

　　She nibbled at a sandwich.

　　她一小口一小口地吃三明治。

　　A fish nibbles at the bait.

　　一條魚在輕輕地啃魚餌。