他们必须具备成熟的心理素质，并且有着丰富的采矿经验，能够迅速掌握‘凤凰号’救援舱内安全带和氧气罩的使用方法。

They have to be psychologically mature, have a great deal of mining experience and be able to handle a quick training on how to use the harness and oxygen mask in the phoenix capsule.

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Delaney警探在只穿了潜水服、面具和通气管而没有带氧气罐的情况下入水向依靠救生衣漂浮在水中的一名女性靠近。

Detective Delaney entered the water without an air tank, but only his diving suit, mask and snorkel and approached a woman floating in a life vest, he said.

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硅可以吸收光能，传导带正电荷和带负电荷的空位子到催化剂中，从而催化产生氢气和氧气。

The silicon absorbs sunlight and passes energetic, negatively charged electrons and positively charged electron vacancies to the catalysts on opposite sides that use them to make H2 and O2.

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The cardiovascular system, which is the heart and the blood vessels which are responsible for and the blood and so this is responsible for moving blood around the body and the blood brings oxygen and nutrients to every part of the body, you know that.

心血管系统,包括心脏和血管,主要负责输送血液,即心血管系统负责将血液送至全身,血液会带着氧气和营养物质,到身体的每一个部分,你懂的

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