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
Ten o'clock,
十点钟，
This window is just as wide as that one.
这扇窗户就象那一个一样宽。
yet we might grudge paying a surgeon a high fee for offering us precisely this service.
但就在外科大夫给我们提供了这种服务后，我们却可能为所支付的昂贵的费用而抱怨。