The astronauts have special breathing apparatus.

宇航员有特殊的呼吸装置。

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Having a special breathing place will enable you to go there to relax.

拥有一个专属的呼吸地会使你在那里得到放松。

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A 19.5%oxygen concentration in the air is the minimum recommended for working without special breathing equipment.

如果没有呼吸装置，工作时空气中氧的最小浓度推荐为19.5%。

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One tactic he employs: a special breathing-relaxation technique originally developed for hospital patients in acute stress.

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Piskunova has also developed some special breathing exercises.

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Today, there's a new twist: creating special events to remind the public that you're still alive and breathing.

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