nematode
柯林斯词典
1. N any unsegmented worm of the phylum (or class) Nematoda, having a tough outer cuticle. The group includes free-living forms and disease-causing parasites, such as the hookworm and filaria 线虫类虫 (Also called nematode worm, roundworm)
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nematode /ˈnɛməˌtəʊd/
剑桥词典
- a thin worm that is not divided into sections
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