zhè / běn / tú / jiàn / xiáng / xì / jiè / shào / le / qīng / jiāo / de / wài / xíng / hé / shēng / huó / xíng / xíng这本图鉴详细介绍了青鲛的外形和生活习性。This illustrated guide describes the appearance and habits of the mackerel shark in detail.