sliver|slivered|slivers

我只吃了一小片蛋糕。

I only ate a ___sliver of the cake.

她在蛋糕上撒了些细碎的坚果作为装饰。

She sprinkled some ___slivered nuts on top of the cake for decoration.

他在修理木椅时不小心扎进了几根细小的木刺。

He accidentally got several tiny ___slivers of wood in his hand while repairing the wooden chair.