A liplike structure, such as that forming the floor of the mouth of certain invertebrates, especially insects.
下唇：一种唇状结构，如组成某些无脊柱动物的下唇基节，尤指昆虫。
The Army is especially interested in creating small robots that fly like insects.
美国陆军对于建造小型机器人特别是像昆虫飞行的小型机器人非常感兴趣。
All major efforts to control insects and rodents must be closely coordinated with national programs and practices, especially with the national malaria control program.
所有控制昆虫和啮齿动物的重大措施都必须和当地国家的规章和程序相协调，尤其是同当地的全国疟疾防治计划。
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