Skipping is one of the most enjoyable aerobic activities.跳绳是最有乐趣的有氧健身运动之一。Walking, done in the right way, is a form of aerobic exercise.走路,如果方法正确的话,也是一种有氧健身运动。Aerobic exercise helps to build up stamina.有氧健身操有助于增强耐力....
It was a tough course over a gradual ascent before the big climb of Bluebell Hill.在爬崎岖的蓝钟山之前有一段很难走的上行缓坡路。The girl picked herself up and pulled a bluebell out of her hair.姑娘坐起身来,从头发里摘出一枝风信子.Bluebell Fragrance. Fragrances ...