nibble|nibbled|nibbles

每个nibble可以表示0到15之间的数值。

Each ___nibble can represent a value from 0 to 15.

孩子们小口地啃着饼干。

The children ___nibbled on the cookies.

小老鼠在奶酪上轻轻啃了几口。

The little mouse took small ___nibbles at the cheese.