A further biological difference between the sexes is in the lengths of their telomeres .
两性间另一个意义深远的生理差别是端粒的长度。
I 'm kind of struggling with the line lengths because the bars are so long .
那条线的长度有点让我抓狂,因为两边的长条实在是太长了。
It has 18 whiskers of different lengths and its software moves these independently of one another , using the information thus gathered to decide whether an object is worth further investigation .