robust       
adjective uk/rəʊˈbʌst/ us/roʊˈbʌst/
 (人或动物)强壮的,茁壮的;(东西或系统)坚固的,耐用的,结实的
(of a person or animal) strong and healthy, or (of an object or system) strong and unlikely to break or fail
  He looks robust and healthy enough. 他看起来非常强壮健康。 
 a robust pair of walking boots 一双耐穿的远足鞋 
 a robust economy 蓬勃发展的经济