例句:
1、The area has one of the world's greatest concentrations of wildlife
这个地区是世界上野生动物最为密集的区域之一。
2、He made a concentrated effort to finish the work on time.
他全力以赴以按时完成这项工作。
例句:
1、The area has one of the world's greatest concentrations of wildlife
这个地区是世界上野生动物最为密集的区域之一。
2、He made a concentrated effort to finish the work on time.
他全力以赴以按时完成这项工作。