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- 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 air inhaled and exhaled in respiration. 呼吸的空气在呼吸中吸入和呼出的空气
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- He was using his accessory muscles of respiration. 他在用呼吸辅助肌进行呼吸。
- The weight of living organisms is called biomass. 生物有机体的重量称为生物量。
- respiration ratio 呼吸比率
- A gill or similar organ of respiration. 鳃鳃或类似的呼吸器官
- The increasing of the biomass is at its highest. 生物量的增加速率会最快。
- pulse respiration ratio 脉搏呼吸比率
- The addition of Mg2+ could improve biomass. Mg2+的加入可以提高生物量。
- Crop stalks (CSs) are important biomass resources. 摘要农作物秸秆是重要的生物质资源。
- Function of airways; Artificial respiration. 呼吸道的功能；人工呼吸。
- Which countries host the Biomass projects? 哪些国家拥有生物质项目?
- 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。
- Dw = 4A- 0.7696Z/i( r = 0.8667)(index of biomass). 以生物量为指标的多样性指数Dw=4.;4-0
- The act or process of breathing; respiration. 呼吸作用呼吸的行为或过程；呼吸
