老师有能力让复杂的话题易于理解。

The teacher has the ___ability to make complex topics easy to understand.

他的学术能力给所有教授留下了深刻印象。

His academic ___ability impressed all his professors.

通过练习，她培养了优美弹钢琴的能力。

With practice, she developed the ___ability to play the piano beautifully.