您要查找的是不是：
- Respiration is difficult at great heights. 在很高的高原上呼吸很困难。
- Respiration becomes difficult at great heights. 在很高的地方呼吸就变得困难了。
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- The air inhaled and exhaled in respiration. 呼吸的空气在呼吸中吸入和呼出的空气
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- They have decided to phase in the new techniques. 他们已决定逐步引入新技术。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。
- He was using his accessory muscles of respiration. 他在用呼吸辅助肌进行呼吸。
- respiration phase 呼吸阶段
- A gill or similar organ of respiration. 鳃鳃或类似的呼吸器官
- A phase or an aspect of a logically developing process. 契机一个按逻辑发展过程的阶段或方面
- Function of airways; Artificial respiration. 呼吸道的功能；人工呼吸。
- I tried to gauge the depth of her sleep by the rate of her respiration. 我试图通过她的呼吸速率来测定她的睡眠深度。
- British Leyland has announced plans to phase out some of its cars next year. 英国雷兰德汽车公司已宣布他们明年将逐步淘汰某些型号的汽车的计划。
- The act or process of breathing; respiration. 呼吸作用呼吸的行为或过程；呼吸
- P: Have you checked my respiration? 你测过我的呼吸吗?
- The army plans to phase out the equipment as it becomes obsolete. 军队计划淘汰这些设备，因为它们已经报废了。
- Blood pressure and respiration are also recorded. 血压和呼吸也做了记录。
- The term "respiration" is more than breathing. 呼吸作用这名词不仅指呼吸而已。
- Breathing:The act or process of respiration. 呼吸:呼吸的行为或过程
