埃菲尔铁塔是工程学上的一项非凡成就。

The Eiffel Tower is a remarkable ___feat of engineering.

在如此有声望的赛事中取得参赛资格是一项真正的力量壮举。

Qualifying for such a prestigious event is a true ___feat of strength.

在没有辅助氧气的情况下攀登珠穆朗玛峰是一项不可思议的壮举。

Climbing Mount Everest without supplemental oxygen is an incredible ___feat.