学个词Learn a Word 第1229期 step up

　　今天我们要学的词是step up. To step up, 是加强的意思。 "Our team stepped up our defense¹ in the second half and won the game," 我们队下半场比赛加强防守，最后赢得了比赛的胜利。 "Former Fed Chairman Alan Greenspan is stepping up his call for Congress to let the Bush-era tax cuts expire," 前美联储主席格林斯潘加大呼声，要求国会让布什任期内通过的减税法案到期自动失效。 "France stepped up its efforts to block north African migrants from entering its territory from Italy," 法国加大力度，阻止非洲北部的人从意大利进入法国。好的，今天我们学习的词是step up...

1 defense   

n.防御，保卫；[pl.]防务工事；辩护，答辩

参考例句：

• The accused has the right to defense.被告人有权获得辩护。
• The war has impacted the area with military and defense workers.战争使那个地区挤满了军队和防御工程人员。