她摔倒后头上有个讨厌的肿块。

She has a nasty ___bump on her head from the fall.

撞到桌子后，他膝盖上有个小肿块。

After hitting the table, he had a small ___bump on his knee.

医生检查了她手臂上疼痛的肿块，以确保不严重。

The doctor examined the painful ___bump on her arm to ensure it wasn't serious.