keep up with是什么意思?

keep up with是什么意思?

keep up with  [英][ki:p ʌp wið][美][kip ʌp wɪð]  赶得上;和…保持联系  双语例句:  1.On one reckoning, in order to keep up with population growth farmers will have togrow more wheat and maize over the next 40 years than was grown in theprevious 500.  一方面,为了保持粮食增长不低于人口增长的步伐,在接下来的40年,农民将不得不种植更多的小麦和玉米,种植量远远超过此前500年所种植的。  2.You try to keep up with the latest and make the smartest choices—but are they ashealthy as you think?   尝试去保持最新的营养观念和做出最精明选择,但是你觉得它们带来的是你所认为的健康吗?