V to strengthen or reinforce by passing a rope, cable, or chain around the underside of (an object, load, etc) 从底部加固
And thus they joined the vast undocumented workforce that undergirds America's food supply.
他们也因此而加入了美国的无证劳动力大军，正是这些人支撑着美国的食物供应。
The dire economic situation undergirds this point: Washington should delay immediate fiscal cuts.
目前极度严峻的经济形势也证明了这一点：华盛顿方面应延期进行财政削减计划。
An example of Japan's shift to software is Ruby, a programming language that undergirds big websites such as those of Twitter and Groupon.
日本向软件转变的一个例子是Ruby，它是一种加强像Twitter和Groupon这类大网站的程序编制语言。
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