It is also produced when living organisms respire.(二氧化碳也可經由活體生物的呼吸作用而產生。)

Fish generally respire through gills. most bony fish es have a swim bladder a gas-filled organ used to adjust swimming depth.(一般是經由鰓呼吸。大部分硬骨魚有鰾，這是源于消化管的憩室，司控制浮力或為輔助呼吸器官。)

The respire symptoms are significant in large airflow track due to organic dust and in small airflow track due to inorganic dust.(且有機塵女工呼吸道癥狀多，大氣道受損明顯，而無機塵女工，較多見的是小氣道受損。)

In this condition it is propitious to aerate and filter in the soil and respire in the roots, at the same time it meliorates roots growth environment.(在這種新型的節水措施下，有利于中層土壤的通透性和根系的呼吸，使根系的生長條件改善。)

Because I wish I can respire the natural fresh air during exercise, which is more health and benefit to my body.(因為我喜歡在運動的同時能呼吸到大自然的清新空氣，這樣更健康，更有益。)

This demonstrates that plants respire to consume oxygen.(這實驗證明植物進行呼吸作用時消耗氧氣。)

Sensitive varieties apprently respire mainly by the glycolysis pathway whereas resistant varieties depend more on the pentose phosphate pathway.(顯然敏感品種的呼吸主要通過糖酵解途徑，而抗性品種比較依賴戊糖磷酸途徑。)

All the results showed that, compared with the mesophilic bacterium, the psychrotrophs can respire and have a certain ability to decompose the organic compounds in sewage at low temperature.(結果表明：與中溫菌相比，耐冷菌在低溫條件下能夠生長并具有較高的降解能力。)

Some products, such as asparagus, corn, and strawberries, respire at a higher rate than other products, such as apples, oranges, and potatoes.(一些產品，如蘆筍、玉米和草莓，比其他產品，如蘋果、橘子和土豆的呼吸速率要高。)

All living things respire as long as they live.(一切生物只要活著都要呼吸。)