heart.worm
n.（名词）A filarial worm(Dirofilaria immitis) transmitted by mosquitoes and parasitic in the heart and associated blood vessels of dogs and other canids. 犬心虫：一种由蚊虫传播且寄生在狗或其他犬科动物的心脏或相连的血管中的丝虫（犬恶丝虫 恶丝虫属） The condition resulting from infestation with the heartworm.犬心虫病：由于感染犬心虫而导致的病状
