V2EX mandible

Mandible

定义 Definition

mandible 是一个名词,指下颌骨,即构成下巴的骨骼,是头骨中唯一能活动的骨骼。在昆虫学中,也指昆虫的大颚,即用于咬碎食物的口器部分。

发音 Pronunciation

/mn.d.bl/

例句 Examples

The doctor examined the patient's mandible after the accident.
事故后,医生检查了病人的下颌骨。

The beetle's powerful mandibles can cut through wood with remarkable efficiency, making it one of the most destructive pests in forestry.
这种甲虫强有力的大颚能以惊人的效率切割木材,使其成为林业中破坏力最强的害虫之一。

词源 Etymology

mandible 源自拉丁语 mandibula,由动词 mandere(意为"咀嚼")派生而来,后缀 -bula 表示工具或器官。该词经由古法语传入英语,最早记录于14世纪末,最初专指人类的下颌骨,后来扩展至昆虫和其他动物的口器结构。

相关词汇 Related Words

文学作品引用 Literary References

  • 在阿瑟柯南道尔的《巴斯克维尔的猎犬》中,mandible 被用于描述骨骼和解剖学细节,营造悬疑氛围。
  • 在查尔斯达尔文的《物种起源》中,mandible 多次出现在对昆虫口器形态与适应性的讨论中。
  • 在法布尔的《昆虫记》英文译本中,mandible 被频繁使用来描写各类昆虫的大颚结构与捕食行为。
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