如何使用 "motility" 造句

1. They found men exposed for only four hours experienced measurable dna damage to their sperm and a reduction in movement , or motility , of the sperm .
他们发现，男性只要暴露在这样的微波辐射下达四个小时，他们的精子dna就会受到明显损害，精子的运动能力也会下降。