motility
noun [ U ] biology, medical specialized uk/məʊˈtil.iˈtiː/ us/moʊˈtɪl.ə.t̬i/
运动性;机动性
the ability of plants, organisms, and very small forms of of life to be able to move by themselves
a motility test 机动性测试
sperm motility 精子运动性