{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/dc\/Increase-Your-Lung-Capacity-Step-5-Version-2.jpg\/v4-460px-Increase-Your-Lung-Capacity-Step-5-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/dc\/Increase-Your-Lung-Capacity-Step-5-Version-2.jpg\/v4-760px-Increase-Your-Lung-Capacity-Step-5-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}5慢慢呼气,重复3-4次。