Since email was the first killer app for the web, it's used for everything.

因为email是第一个杀手级互联网应用，它被用在各种地方，但我们现在已经拥有更好的方式实现信息的传递。

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Now she heard of Pain-killer for the first time.

现在，她第一次听说止痛药这种东西。

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The mysterious killer has been dubbed White Nose Syndrome (WNS) in America, where it was first discovered in a cave in New York State four years ago.

这个神秘的杀手在美国被称做白鼻子综合症，四年前首先在纽约州的一个山洞中被发现。

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Mosaic, the first browser, was the killer app for the World Wide Web.

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VisiCalc, the first spreadsheet, was the killer app for personal computers.

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Here is the first warning to a horse killer from the FDA for falsified EID and the horse was positive for bute.

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