Decompression sickness (bends) is a rare event with sport divers who free dive.

潜水减压病对于从事自由潜水的运动潜水者而言很少出现。

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Breathholding time for the free diver is highly variable as this is very adaptive. Divers who do this often and train themselves can prolong their dive times considerably.

自由潜水者屏住呼吸的时间大不相同。通过经常做或训练可以显著延长潜水时间。

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My path never took me too far down the Perl road, but I taught myself Python using the excellent and free online book, Dive into Python.

我的学习道路一直没离开Perll太远，我自学python使用的是这本优秀的在线免费书Dive into Python。

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When you take into account the ease with which they inhabit the ocean, free dive to depths of 15m or more, hold their breath for minutes, hunt for turtles, shells and sea cucumbers, and navigate between distant islands, led only by instinct, both names are equally fitting.

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This means that each time one is found, one of the researchers will free-dive down to take a picture of it between the fifth gill and the side fin on both left and right sides.

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Having been shown a yellow card, rather than a red, Kiraly retreated to his line, only to see Arteta curl a superb free-kick over the wall and past his dive into the top left-hand corner.

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