One family of completely harmless snakes, the kingsnake, has also evolved serum that neutralizes rattlesnake venom.

一种完全无毒的蛇家族，王蛇，也进化出了能中和响尾蛇毒液的血清。

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The truth is that some plants can hurt you, but most are completely harmless.

事实上，有些植物会伤害你，但大多数是完全无害的。

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But the dazzlers weren't completely harmless.

但激光闪耀器并不完全无害。

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Of course, the exploit that they've actually released is completely harmless, but it demonstrates that the CPU cache can be "poisoned" to let folks read and write into the otherwise protected SMRAM memory.

ENGADGET: New SMM exploit targets Intel CPU caching vulnerability