respiration

• 指生物体内将有机物分解释放能量的代谢过程，也指呼吸动作，即吸气和呼气的气体交换过程。

A noun referring to the metabolic processes in organisms that release energy from organic molecules, or the act of breathing involving inhalation and exhalation.

不可数

1. Cellular energy productionB2formalscientific

   The metabolic process in cells and tissues where organic molecules are broken down to release energy, producing carbon dioxide as a byproduct.

   细胞呼吸

   • Cellular respiration is essential for all living organisms to generate energy.
   • During respiration, glucose is converted into ATP, the energy currency of the cell.
   • The rate of respiration increases during physical exercise.

   同义词cellular respiration

2. Single breathing cycleB1formalmedical

   One complete act of inhaling and exhaling air.

   呼吸

   • The doctor counted his respirations per minute.
   • A deep respiration can help calm your nerves.
   • She took a slow, deliberate respiration before speaking.

   同义词breath

3. Process of breathingB1formalmedical

   The bodily function of taking oxygen into the lungs and releasing carbon dioxide through exhalation.

   呼吸

   • Respiration is controlled by the diaphragm and rib muscles.
   • Yoga focuses on controlled respiration to improve relaxation.
   • Artificial respiration can save a person who has stopped breathing.

   同义词breathingventilation