啄木鸟在啄木头的时候，每秒头部向树撞击20次，你估计觉得这样它会需要一个坚如钢铁的脑袋来得以生存，但事实上，啄木鸟的脑袋是相对较软的，每只啄木鸟在出生时，鸟喙后长有一个软的海棉状的物质，用来吸收啄木头时所产生的震动。

Instead, the reality is that woodpecker heads are relatively soft. Each bird is born with a soft, sponge-like mass behind its beak that absorbs the shock created by pecking.

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事实上，钠是如此之软以致于可用小刀很容易切割开。

It is so soft, in fact, that it can be easily cut with a knife.

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我年轻的时候，我用大量的时间玩计算机游戏。事实上，我坚信掌握计算机游戏教会了我做生意必要的软能力。

When I was younger, I spent a lot of time playing video games. In fact, I'm convinced mastering video games taught me soft skills essential to business success.

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