动词
中文翻译：Unknown
同义词：
['infest', 'infect', 'parasitic']
例句：
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1. The parasites are causing the host to suffer greatly.
寄生虫正在给宿主带来极大的痛苦。
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2. The disease is often spread by insects that parasitise the host.
这种疾病通常通过寄生在宿主身上的昆虫传播。
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3. Parasites can be harmful to both the host and the environment.
寄生虫对宿主和环境都有害。