1·Of course, you can do jumping jacks, crunches and other simple exercises without any equipment at all.
当然，你也可以做杰克跳、仰卧起坐等不需要任何器材的简单锻炼。
2·Who said that you need to do boring crunches and push-ups and run around the block every day?
谁说你每天要做乏味的仰卧起坐和俯卧撑以及围着大厦跑步？
3·You won't see muscle definition or a nice six-pack despite how many crunches you do, because of the layer of fat resting on top of your muscles.
不管你做多少仰卧起坐，你都不会看到清晰的肌肉轮廓或漂亮的六块肌，因为你的肌肉上有脂肪层。
4·When you are ready to exercise, you can even get a special type of stroller to take your baby jogging or lie on the floor next to your baby to do crunches and push-ups.
二是买一辆特制婴儿车，这样你就可以推着他一起慢跑，或者把孩子放在婴儿车里，你在旁边做仰卧起坐和俯卧撑。
5·The examples might be, “I want to exercise 3 days a week for a month”, and “I need to do 30 crunches every day for a month”, “In two months I want to be able to run 3 miles.”
例如“我想要在一个月内每周锻炼3天”，和“我一个月里每天要做30个仰卧起坐”，“在两个月里我要能够跑3英里。”