Before you buy something, photograph its bar code with your phone and make sure you're getting the best price.

买东西前先用手机拍下它的条形码，然后确定这价格是最实惠的。

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The POS terminal identifies each item of merchandise from its bar code and then automatically records the sale and updates the computer-based inventory records.

销售点终端机从商品条码上辨认每一种商品，然后自动记录销售收入，并更新计算机内的存货记录。

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The immigration officer still has to open thee-passport, read its contents and then swipe its bar-code through an optical reader to get the bearer's file up on a screen ready to ask a few questions.

移民官仍然得打开电子护照，阅读护照内容，然后用光感读码器刷条形码把持照人的档案读到显示器上，准备提几个问题。

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"Well,I will not let you put yourself or this bar in danger.I won't." "True Blood" has completed its second season on the cable channel HBO.

VOA: special.2010.01.20

A progress bar is not supposed to print one hundred lines just to update its status; generally we like to see a little animation.

一个进度条不应该是打印100行,只是更新它的状态，一般地，我们,想看到一点生机。

哈佛公开课 - 计算机科学课程节选

If x is high relative to x-bar--this is positive-- then y tends to be low relative to its mean y-bar and this is negative.

如果x比x均值要大,这个为正,而y比y均值小,这个为负

耶鲁公开课 - 金融市场课程节选

Soon, Bell hopes, Penthouse Media Group will have a place on the screen and its bar will glow green.

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So now the West looks for ways to lower its bar still further.

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Since its 2011 debut, Jasper's has won a following for its bar offerings, including a menu devoted exclusively to fries.

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