新鲜空气是什么？What is fresh air?

新颖空气指的是没有被污染、富含氧气的空气。凡是来说，新颖空气能够从山区、丛林、海滨等处所获得，那些处所的空气中含有更多的氧气和较少的有害气体。新颖空气对人体安康有着重要的感化，能够改善呼吸系统、加强免疫力、进步精神形态等。相反，持久呼吸污染的空气会招致许多安康问题，如呼吸系统疾病、心血管疾病、癌症等。

The English translation of 新颖空气 is "fresh air". Fresh air refers to air that is not polluted and contains a high amount of oxygen. Generally, fresh air can be found in places such as mountains, forests, and beaches, where the air contains more oxygen and fewer harmful gases. Fresh air plays an important role in human health, improving the respiratory system, enhancing the immune system, and improving mental health. Conversely, long-term exposure to polluted air can lead to many health problems, such as respiratory diseases, cardiovascular diseases, cancer, and more.