yī xué yán jiū biǎo míng, mǒu xiē xī chóng gāng jì shēng chóng kě yǐ yǐn qǐ yán zhòng de gān zàng jí bìng医学研究表明,某些吸虫纲寄生虫可以引起严重的肝脏疾病。Medical research shows that certain trematode parasites can cause serious liver diseases.