名词
中文翻译：寄生生物
同义词：
['parasit', 'parasite例句：1. This disease is caused by a hyperparasite that feeds on the blood of its hosts.（这种疾病是由一种寄生生物引起的，这种生物以宿主的血液为食。）']
例句：
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1. This disease is caused by a hyperparasite that feeds on the blood of its hosts.
这种疾病是由一种寄生生物引起的，这种生物以宿主的血液为食。
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2. The parasitic worms can cause severe damage to the host's tissues.
这些寄生蠕虫可以严重损害宿主的组织。
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3. Parasitic diseases are often difficult to treat and can be life-threatening.
寄生性疾病通常难以治疗，且可能危及生命。