Aero The acrobat的用法和样例：
- The acrobat grimace at the children during the circus performance.
- The audience held its/their breath as the acrobat walked along the tightrope.
- The acrobat's feat took the audience's breath away.
- The watchers held their breath as the acrobat crossed the tightrope.
- The acrobat balanced himself on the rope.