锌可以预防感冒,缩短感冒时间。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/79\/Get-Rid-of-a-Cold-Naturally-Fast-Step-10.jpg\/v4-460px-Get-Rid-of-a-Cold-Naturally-Fast-Step-10.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/79\/Get-Rid-of-a-Cold-Naturally-Fast-Step-10.jpg\/v4-760px-Get-Rid-of-a-Cold-Naturally-Fast-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}1休几天假。