做早操：在早上进行的一种体育锻炼活动，通常包括一系列的伸展、跑步、俯卧撑等动作。
... do an experiment 做实验 do morning exercise 晨练 draw pictures 画画 ...
运动，做早操
Tom doesn't do morning exercise every day.
汤姆不是每天做早操。
It's good to do morning exercise.
早锻炼是有好处的。
It's time to do morning exercise.
晨间锻炼的时间到了。
Peers also provide advice, such as: how do you get organized to go to the gym in the morning before work, or how do you manage a exercise schedule with children?
Do you exercise best on minimal calories first thing in the morning?
CNN: Information overload: Finding fitness that works for you