flatworms parasitic in the blood vessels of mammals 同义词：schistosome,
例句与用法
1.
On the other side of the atlantic , the damming of african rivers has led to the spread of human blood flukes that depend on snails as a host and cause human schistosomiasis 在大西洋的另一边，由于非洲河川建了水坝，导致以螺类为寄主的人类血吸虫到处散播，引发人类的血吸虫病。
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