它的作用就像一个防御空气变应原的天然屏障,在鼻道里形成一层无色的、粘液样的、凝胶层,其作用就像一个灰尘和细菌的过滤器。
It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.
它的作用就像一个防御空气变应原的天然屏障,在鼻道里形成一层无色的、粘液样的、凝胶层,其作用就像一个灰尘和细菌的过滤器。
It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.
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