If it's really cold outside, you might even try a quick shower to get you warm before you do exercise.
如果外面真的很冷，你甚至可以试着在运动前快速冲个澡让自己暖和起来。
First let's do the warm-up exercise.
首先让我们做热身练习。
It's important to warm up before exercise.
在锻炼前做热身活动是很重要的。
Daniel: Hello, is it necessary to do warm-up exercise?
听看学丹尼尔：你好，必须做热身运动吗？
If you don't warm up before taking exercise, you risk injuring yourself.
假如运动前不做准备活动，你就有受伤的危险。
I love to ride my bike for exercise in warm weather.
我喜欢在暖和的天气骑自行车运动。
The warm weather outside may look perfect for outdoor exercise.
温暖的天气最适合进行户外活动了。
Ready to exercise? Let's warm up first.
准备好运动了吗？让我们先来热身吧！
Thee warm weather outside may look perfect for outdoor exercise.
温暖的天气最适合进行户外活动了。
Yesterday, as a warm-up exercise before class so I can stretch out the legs.
昨天上课之前的热身运动使我今天的腿都不能伸直。
Daniel: Hello, is it necessary to do warm-up exercise?
丹尼尔：你好，必须做热身运动吗？
Horses in the warm up ring prior to exercise.
在练习之前马儿们在绕圈热身。
Horses in the warm up ring prior to exercise.
在练习之前马儿们在绕圈热身。
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