减少体力的的英文：
lowering
As one advances in years, it is prudent to haul in one's horns more and more as to physical activity
一个人年纪大了，逐渐减少体力活动是明智的。
adj. 昏暗的
v. lower的现在分词；降低
rate lower; lower in value or esteem.
降低事物的等级；让事物的价值或声望下降。
He is a teacher of a lower form.
他是低年级的老师。
To lower in quality or character;debase.
使变得低劣降低质量或品格；贬低
Lowering your standards.
降低你的标准。
Sink or fall to a lower level.
下沉或下降到更低的水平。