{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/8e\/Breathe-Deeply-Step-7-Version-3.jpg\/v4-460px-Breathe-Deeply-Step-7-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/8e\/Breathe-Deeply-Step-7-Version-3.jpg\/v4-760px-Breathe-Deeply-Step-7-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2屏住呼吸7秒钟。{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/29\/Breathe-Deeply-Step-9-Version-3.jpg\/v4-460px-Breathe-Deeply-Step-9-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/29\/Breathe-Deeply-Step-9-Version-3.jpg\/v4-760px-Breathe-Deeply-Step-9-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}4把整个呼吸重复4次。确保4-7-8的比例。[6]{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/17\/Breathe-Deeply-Step-12-Version-3.jpg\/v4-460px-Breathe-Deeply-Step-12-Version-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/17\/Breathe-Deeply-Step-12-Version-3.jpg\/v4-760px-Breathe-Deeply-Step-12-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}3用鼻子快速呼吸15秒。