rú guǒ / bù / jí shí / qīng lǐ / shuǐ hú lú / jiù / huì / zài / chí táng / lǐ / xùn sù / zī màn如果不及时清理,水葫芦就会在池塘里迅速滋蔓。If not cleaned up in time, water hyacinths will rapidly spread throughout the pond.