二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。

Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.

youdao

对于早产婴儿，尽可能少的辐射暴露特别重要，因为他们可能需要多次辐射检查像发育不全的呼吸系统这样的问题。

In premature infants, minimizing radiation exposure is especially important because they may require multiple radiological exams for problems like underdeveloped respiratory systems.

youdao

并且鸟类有一个特别高效的呼吸系统。

Respiratory system. While a bird's.

youdao