Third: you activate some sort of rejection mechanism.

第三：你的排斥反应机制开始启动。

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If you activate the Preview Pane you can get an overview of the page.

如果你激活了预览框，你可以看到网页概况。

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With a single click, you activate the bug report and begin investigating the problem.

您通过单击激活bug报告，并开始调查该问题。

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Usually the cellular means that they get rid of is that instead of an antibody being produced, you activate a population of cells that will specifically go and hunt down the foreign antigen, or more commonly, cells that contain the foreign antigen.

通常细胞免疫意味着,不用生成抗体就能清除抗原,你激活了一个细胞类群,这一类群能够,并杀伤外源抗原,或者更常见的是,杀伤含有外源抗原的细胞

耶鲁公开课 - 生物医学工程探索课程节选

But just realize as a teaser coming for problem set 1 will be instructions on how to activate your so called cloud account and it's on the CS50 cloud that you'll be writing your programs, compiling your programs, testing your programs, running your websites ultimately.

如果大家觉得难的话,习题集1上有一些说明，教你如何,激活你的云账户,因为你们只有在CS50云上才能编写程序，编译，检测，并最终运行。

哈佛公开课 - 计算机科学课程节选

It turns out to activate RNA interference, you deliver double stranded RNA.

要激活RNA干扰效应的话,可以将双链RNA转进细胞

耶鲁公开课 - 生物医学工程探索课程节选

Same for when you activate a credit card over the phone, or call a 900 number.

FORBES: Get Katz

When you find an offer that appeals to you, you activate the offer by clicking on it.

FORBES: Your Debit Card: Don't Leave Home Without It

There's also a sleek, matching black LC-63A lens cap that opens and closes automatically whenever you activate the camera.

ENGADGET: Olympus Stylus XZ-2 is a digital compact stuck in a mirrorless camera's body, we go hands-on