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。
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。
Slipping his dive fins from his feet and his mask from his face, he held them in one hand as he used his free hand to haul himself into a standing position.
他迅速地脱下脚蹼，摘下潜水面罩，用一只手拿着，另一只手费力地让身体保持站立姿势。
That's why your regulator so often free-flows as you dip it in and out of the water, when you walk into the sea or plunge off the deck of a dive boat.
这就是为什么当你从船上跳入海里，二级头浸入水中再被拿出水面以后特别容易发生自流漏气的原因。
That's why your regulator so often free-flows as you dip it in and out of the water, when you walk into the sea or plunge off the deck of a dive boat.
这就是为什么当你从船上跳入海里，二级头浸入水中再被拿出水面以后特别容易发生自流漏气的原因。
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