flatworms parasitic in the blood vessels of mammals
例句
用作名词 (n.)
Oncomelania is the only intermediate host of schistosome. 钉螺是血吸虫唯一的中间宿主。
The antigenic disguise of schistosome was first demonstrated by the experiments of surgery transmission of the worm between hosts. 血吸虫在宿主间的转移实验证明了血吸虫具有抗原伪装现象。