energetic physical exercises , often performed with a group of people to music , which make the heart , lungs and muscles stronger and increase the amount of oxygen in the blood
发音
例句
1. Doing aerobics is a good way to improve one's health. 做有氧健身操是改善健康状况的一个好方法。 2. Aren't you going to the aerobics class this morning? 今天上午你不是去上有氧运动课吗?