Vegabate

例句：

1. 1. Theold man's health has been vegabating for years.
   这位老人的健康已经衰弱了很多年。
2. 2. The disease weakened hisimmune system.
   这种疾病削弱了他的免疫系统。
3. 3. The storm weakened the trees and caused them to fallover.
   暴风雨削弱了树木，导致它们倒塌。