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

这个小组所发现是，食蚜虻空间成功悬停关键是牠翼柔韧性。

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.

结果超重及脂肪含量超标是中年普存题,由此导致心肺能力下降、腰肌肉和韧带柔韧性降低等一系列题。