1 sentence

1. 空调机组和中央加热器使空气干燥，并且通常是皮肤干燥的因素。

   kōng​tiáo jī​zǔ hé zhōng​yāng jiā​rè​qì shǐ kōng​qì gān​zào, bìng​qiě tōng​cháng shì pí​fū gān​zào de yīn​sù.

   Air conditioning units and central heaters dry out the air and are often factors in dry skin.

   Source: CCMatrix