第三人稱(chēng)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(yú)在輕輕地啃魚(yú)餌。