马戏团的杂技演员们在钢丝上轻松地表演翻跟头。

The ___acrobats performed somersaults effortlessly on the tightrope.

马戏团的杂技演员在高空秋千上表演令人惊叹的动作。

The circus ___acrobats performed breathtaking stunts on the trapeze.