[2]斜着剪根茎,有利于水分吸收。:用纸巾包裹{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/cf\/Keep-Mint-Leaves-Fresh-Step-5.jpg\/v4-459px-Keep-Mint-Leaves-Fresh-Step-5.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/cf\/Keep-Mint-Leaves-Fresh-Step-5.jpg\/v4-759px-Keep-Mint-Leaves-Fresh-Step-5.jpg","smallWidth":460,"smallHeight":306,"bigWidth":760,"bigHeight":506.31868131868134}1打湿纸巾。