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- Respiration is difficult at great heights. 在很高的高原上呼吸很困难。
- placental respiration 胎盘呼吸
- Respiration becomes difficult at great heights. 在很高的地方呼吸就变得困难了。
- placenta respiration 胎盘呼吸
- Formation of a placenta in the uterus. 胎盘形成胎盘在子宫中的形成过程
- 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 type or structure of a placenta. 胎盘形式或构造
- He was using his accessory muscles of respiration. 他在用呼吸辅助肌进行呼吸。
- A gill or similar organ of respiration. 鳃鳃或类似的呼吸器官
- Having no placenta, as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- Human Placental alkaline pkosphatase，PLAP Elisa... 人胎盘碱性磷酸酶（PLAP）试剂盒；
- 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。
- Earlier studies linked the placenta to the disease. 早期的研究认为，该病与胎盘有关。
- The act or process of breathing; respiration. 呼吸作用呼吸的行为或过程；呼吸
- Fraternal twins share one placenta. 异卵双生共享一个胎盘。
- P: Have you checked my respiration? 你测过我的呼吸吗?
- Having no placenta,as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- The modified blastula that is characteristic of placental mammals. 胚泡转化的囊胚，为胎盘哺乳动物的特征
- Blood pressure and respiration are also recorded. 血压和呼吸也做了记录。
