Tree WiFi is a simple way for people to know about the air pollution around them.

通过树木无线网这种简单的方式，人们可以了解到周围的空气污染情况。

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You should know your way around the Layers palette and know how to add Layer Styles, use Custom Shapes and Clipping Masks without much explanation.

你需要了解图层调色板和如何添加图层样式，并且会使用自定义图形和剪切遮罩。

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If you don't know your way around, don't know how to protect yourself from pickpockets, or make silly assumptions about how safe your money is, you can become an easy target.

如果你不知道的周围的形势，不知道怎么保护你的钱包不被扒手光临，或傻傻地想当然，认为自己的钱有多么安全，那你就是一个非常容易被盯上的目标。

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so you can meet other students, so you can get to know your way around the campus a little bit.

让你能见到其他的同学，可以熟悉一下校园。

写推荐书的人 - SpeakingMax英语口语达人

So we're talking about an experiment when you generate-- Each experiment generates both an x and a y observation and we know when x is high, y also tends to be high, or whether it's the other way around.

这里说的是由试验产生的,每一次试验可以获得一组x与y的观察值,当x值大的时候,y值可能也大,或者相反

耶鲁公开课 - 金融市场课程节选

But you have to know your way around tricky ownership rules south of the border ( p. 196).

FORBES: Prospering in Tough Times

Do you know your way around the sort of wireless technology used by Verizon?

FORBES: Apple Hiring iPhone Engineers Who Can Work With Verizon's Network

Few people know their way around the club's Anfield home as well as tour guide Alan Herr.

BBC: Premier League health project shows promising results