青蛙的背部皮肤粗糙，布满许多小疙瘩。

The frog has a ___warty back with many tiny bumps.

蟾蜍的皮肤上有许多疣状突起。

The toad's skin was covered with ___warty bumps.

尽管这个方案有很多瑕疵，我们还是决定试一试。

Despite its ___warty flaws, we decided to give the plan a try.