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- primitive wingless insects: bristletail. 原始的无翅昆虫；蠹虫。
- primitive wingless insects 原始的无翅昆虫
- Any of various wingless insects of the order Thysanura,such as the silverfish,having bristlelike posterior appendages. 衣鱼一种缨尾目的无翅昆虫，长有刚毛状后鳍，如蠹虫
- Any of various wingless insects of the order Thysanura, such as the silverfish, having bristlelike posterior appendages. 衣鱼一种缨尾目的无翅昆虫，长有刚毛状后鳍，如蠹虫
- The only animals discovered at any distance from the sea are water bears, mites and a few wingless insects. 从海岸到这块陆地上的任何地方，能够见到的动物只有海蜘蛛、螨和其它无翅昆虫。
- A small,wingless insect(Thermobia domestica)related to the silverfish and inhabiting warm areas of buildings,as around furnaces or boilers. 家衣鱼，小灶衣鱼一种与西洋衣鱼有亲缘关系的小型无翅昆虫(衣鱼)，住在炉边或灶边等建筑物的温暖地方
- Any of various small, often wingless insects of the order Psocoptera(or Corrodentia), some species of which feed on stored flour products, paper, or bookbindings. 虱任一种啮虫科（或腐蚀科）中的各种各样小的通常没有翅膀的小昆虫，它们中的一些类别以存放的面粉制品、纸张或捆书绳为食
- A small, wingless insect(Thermobia domestica) related to the silverfish and inhabiting warm areas of buildings, as around furnaces or boilers. 家衣鱼，小灶衣鱼一种与西洋衣鱼有亲缘关系的小型无翅昆虫（衣鱼），住在炉边或灶边等建筑物的温暖地方
- A small, wingless insect (Thermobia domestica) related to the silverfish and inhabiting warm areas of buildings, as around furnaces or boilers. 家衣鱼，小灶衣鱼：一种与西洋衣鱼有亲缘关系的小型无翅昆虫（衣鱼），住在炉边或灶边等建筑物的温暖地方
- Any of various small, often wingless insects of the order Psocoptera (or Corrodentia), some species of which feed on stored flour products, paper, or bookbindings. 虱：任一种啮虫科（或腐蚀科）中的各种各样小的通常没有翅膀的小昆虫，它们中的一些类别以存放的面粉制品、纸张或捆书绳为食
- any of several minute primitive wingless and eyeless insects having a cone-shaped head; inhabit damp soil or decaying organic matter. 几种微小的原始无翅无眼昆虫，锥形头；栖息在潮湿的土壤或腐败组织的物质中。
- any of several minute primitive wingless and eyeless insects having a cone-shaped head; inhabit damp soil or decaying organic matter 几种微小的原始无翅无眼昆虫，锥形头；栖息在潮湿的土壤或腐败组织的物质中
- any of several minute primitive wingless and eyeless insects having a cone-shaped head;inhabit damp soil or decaying organic matter. 几种微小的原始无翅无眼昆虫,锥形头;栖息在潮湿的土壤或腐败组织的物质中。
- small wingless insect with a long bristlelike tail. 小而无翅的昆虫，有象猪鬃一样的尾巴。
- Fish were surfacing to catch insects. 鱼浮到水面上捕捉昆虫。
- wingless insect with mouth parts adapted for biting; mostly parasitic on birds. 无翅膀的昆虫，嘴适于刺人；多数寄生在鸟类身上。
- His art is primitive and provincial. 他的艺术原始而粗野。
- Primitive people often lived in caves. 原始人常常住在山洞里。
- Primitive peoples deified the sun. 原始部落将太阳奉为神。
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
