Economists have long considered government spending, especially on infrastructure, to be an effective tool for revitalizing a stagnating economy.

VOA: standard.2009.10.16

And this is a tool with which you can navigate all the things that we know about going on campus.

这是你能够掌控,校园中发生的所有事情的一个工具。

哈佛公开课 - 计算机科学课程节选

Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

"But he seems to say well at least we will leave this on the table, I would think maybe as a bargaining tool.

VOA: standard.2009.07.15

Would she have imagined that the world famous whatever remembered how many strings were on the lyre on the bench beside the girl on the label of the cigar box he'd stated at in the tool shed at age ten while she, age eleven.

她能想象到这个世界闻名的诸如此类的人,竟然记得当她11岁，他10岁时在工具间里盯着看的,那雪茄盒上的标签上的姑娘身边,长椅上的竖琴有几根弦吗。

耶鲁公开课 - 1945年后的美国小说课程节选

"Everybody used that picture as a motivational tool of why we're truly here, because regardless of what's going on and how devastating it is, there are still people that recognize and believe that the Comfort is here to help them."

VOA: standard.2010.03.26

So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.

所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下

耶鲁公开课 - 生物医学工程探索课程节选

Simply by clicking that link you can then log into your account; and then on the left hand side what appears is a little menu of all of your friends who are also using this tool and you can select any one of them and actually see what that person is shopping.

只需轻点鼠标便可进入自己的账户;,页面的左边有一个菜单栏,其中是你所有也在使用这个工具的朋友,你可以选中其中一个,查看ta所选择的课程。

哈佛公开课 - 计算机科学课程节选

Someone-- or someone had to implement, had to write a tool called printf that itself takes input between quotes and produces as output some characters on the screen.

需要有人去实现，这个printf函数,以双引号间的信息为输入,输出相应字母到屏幕上。

哈佛公开课 - 计算机科学课程节选