1.
medicine ball
(锻练身体用的)实心皮球
2.
Regular exercise conditions the body for strenuous activity.
经常锻练使身体适应剧烈活动。
3.
This morning we went to the gym for a workout. We lifted weights.
今天早上我们去体育馆锻炼身体。我们练了举重。
4.
We train regularly to keep fit for study and work.
我们经常进行锻炼，为学习和工作练好身体。
5.
Zhu Ti rose up upon hearing the crow of a rooster to practice his swordmanship every morning.
有一个叫祖逖（ì的人，他每天早晨一听到鸡叫就起来练剑，锻炼身体。
6.
We is have physical training every other day.
我们隔天进行体育锻练。
7.
Train hard and defend the motherland;
锻炼身体，保卫祖国;
8.
and exercises for about half an hour.
然后锻炼身体半小时。
9.
Train hard and build the motherland.
锻炼身体，建设祖国。
10.
He does exercises to develop his muscles.
他锻炼身体使肌肉发达。
11.
No. They are just exercising.
对。她们只是在锻炼身体。
12.
No, I have no time to exercise.
不，我没有时间锻炼身体。
13.
He does exercises every day in the morning.
他每天早上锻炼身体。
14.
Do you often work out
你经常锻炼身体吗?
15.
Exercise will firm up your muscles.
锻炼身体能使肌肉结实.
16.
Regular exercise keeps him in good physical condition.
经常锻炼使他身体强壮。
17.
Take exercise if you're out of shape.
身体不好就要锻炼.
18.
He has always been very keen on doing physical exercises.
他锻炼身体一向很积极。