Modern techniques for producing and shipping food led to greater variety and quantity, including a tremendous increase in the amount of animal protein and dairy products available, making us more vigorous than our ancestorsYet plenty has been lost too, even in cultures that still live to eat.
出自-2016年6月阅读原文
During 26 vigorous exercise, our muscles tire as they run out of fuel and build up waste products.
2017年6月四级真题（第三套）阅读 Section A
英语六级真题
This mission depends on traditions of rational discourse and vigorous defense of the scientific method.
出自-2014年6月阅读原文
In many of these cities such as Denver, a diverse and vigorous economy attracted to the urban core has offered stable employment for residents.
2017年12月六级真题（第一套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
（体育活动）剧烈的，强度大的，强劲的
Vigorous physical activities involve using a lot of energy, usually to do short and repeated actions.