What the team discovered is that the key to the hoverfly’s successful hovering is the flexibility of its wings.

这个小组所发现的是，食蚜虻在空间成功悬停的关键是牠的翼的柔韧性。

Results To be overweight and superfatted is universal phenomena about midlife in-service cadre,which cause weak heart and lung and renitent muscle and ligamenta of waist.

结果超肪含量超标是中年在职干部普存在的问题,由此导致心肺能力、部肌肉和韧带的柔韧性低等一系列问题。