Exercising
v. 锻炼, 训练, 练习( exercise的现在分词 ); 锻炼（身体某部位）; 使焦虑; 发挥（作用）
✅ 同义词
🗣️ 情景例句
He's always been a real playboy.
他就是个花花公子。
Laugh before breakfast you'll cry before supper.
乐极生悲。
Whose is this watch?
这块表是谁的？