气体交换 [物] gas exchange
- 那茎秆就像根潜水呼吸管,当植株的绝大部分被淹没在水下时,它仍能保证植物与大气进行气体交换。
Like a snorkel, the elongated stem allows the plant to exchange gases with the atmosphere while most of it is submerged. - 从肺部血管流出的血液已经富含氧气,这表明,这样一个肺可以正常的为流过的血液提供气体交换功能。
The blood leaving the implanted lung was rich in oxygen, showing that the lung could replace carbon dioxide with oxygen as blood passed through it. - 呼吸系统的主要功用是提供空气到肺的通路及气体交换的场所。
The main function of the respiratory system is to provide passages and room for gaseous exchange.
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