parasitic or free-living worms having a flattened body 同义词：platyhelminth,
例句与用法
1.
This toxic flatworm ' s vivid markings spell danger to potential predators along hawaii ' s coral reefs 沿着夏威夷的珊瑚礁，这条有毒的扁形虫身上色彩鲜艳的印记是对潜在捕猎者的警告。
2.
Somewhere in the middle may be schistosomiasis , a debilitating disease caused by a parasitic flatworm carried by water snails , which affects 200m people worldwide 居于这些层次中间的可能是血吸虫病，一种由寄生于钉螺的扁平虫引起的影响患者健康的疾病，它影响着世界上2亿左右的人口。
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