与空气污染相关的呼吸器官疾病及心血管疾病已成为中国的主要死因之一。
And air pollution-related respiratory diseases and cardiovascular diseases has become one of China's leading cause of death.
丹迪博士是雪梨人，是名动物学家，在雪梨大学作过许多关于预防牛只呼吸器官疾病的研究。
Dr. Dundee, who hails Sydney, is a famous zoologist who has done a lot of research on the prevention of respiratory in cattle the University of Sydney.
吸入过多的臭氧，会引起呼吸器官的多种疾病。
If you breathe too much ozone it can cause all kinds of respiratory problems.
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