So the man decided to help it. He took a pair of scissors and snipped off the remaining bit of the cocoon.

这个人决定帮助它，他用剪刀把茧的剩余部分剪开，蝴蝶宝贝很轻松地钻了出来。

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Unfortunately, many caterpillars do not know they have the ability to become butterflies and so remain in their cocoon until they die off.

很不幸的是，不少毛毛虫并不知道它们能变成蝴蝶，于是便裹在自己的茧里终老一生。

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The symbiotic bacteria secrete a mixture of antimicrobial compounds on the walls of the cocoon to ward off microbial threats.

共生细菌在茧壁上分泌一种抗菌物质混和物，以抵抗因细菌引起的威胁。

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" Meanwhile, Fortune's David Kirkpatrick mused on the iPod phenomenon, declaring that a little isolation isn't necessarily such a bad thing: "Why do I, and so many others, want to cocoon ourselves off into our little music bubbles, even when we're out and about?

ENGADGET: The Pipeline: Props to Circuits, Mossberg on ultralights, Wildstrom on the PSP

Bob Sullivan has done everything possible to build a cocoon of protection around himself to ward off identity theft.

NPR: Identification Theft: Protecting Your Personal Data