widen怎么读，widen什么意思，widen短语和例句

1.He had an operation last year to widen a heart artery.

他去年动了一次扩张心脏动脉的手术。

2.They are trying to widen the discussion to include environmental issues.

他们正在尽量拓宽讨论范围以纳入环境问题。

3.His eyes widen as he concentrates.

当集中注意力的时候，他瞪大了眼睛。

4.Many students register for these courses to widen skills for use in their current job.

许多学生报名学习这些课程是为增加技能，以适应目前工作的需要。

5.Mr. Dobson promised to widen the organization's scope of activity.

多布森先生答应扩大该组织的活动范围。

6.In the past, there was often an automatic reaction to increased traffic: just widen the roads, says Mark Poch, the Bellevue Transportation Department's traffic engineering manager.

贝尔维尤运输部交通工程经理马克·波奇说，过去，人们对交通量的增加往往有一种自动的反应：只要拓宽道路就行了。

7.As a result, their math grades overtook those of the other students by the end of the first semester — and the gap between the two groups continued to widen during the two years we followed them.

结果，他们的数学成绩在第一个学期末就超过了其他学生——在我们持续观察他们的两年中，两组学生之间的差距继续扩大。

8.The first is to identify bottlenecks and to widen them.

第一种方法是识别瓶颈然后扩展它们。

9.The gaps between strong and weak institutions will widen further.

体质健全的和虚弱的机构，两者间的差距降会进一步地被拉大。