V2EX hydroid

Hydroid

释义 Definition

hydroid(名词,动物学)指水螅体 / 水螅虫:多为水螅纲(Hydrozoa)的固着型小型刺胞动物,常呈群体(群落)生活,外形像细小的“海底小灌木”,通常是水母等的生活史阶段之一。也可泛指“像水螅(hydra)一样的生物或形态”。

发音 Pronunciation

/ha.drd/

例句 Examples

A hydroid colony grew on the pier in shallow water.
浅水里,码头上长出了一丛水螅体群落。

Hydroids can sting tiny prey with specialized cells, which helps them survive in crowded coastal habitats.
水螅体能用特殊细胞蜇刺微小猎物,这有助于它们在拥挤的近海栖息地中生存。

词源 Etymology

hydroid 来自 hydra(水螅) + -oid(……形状的,类似……的)。字面意思是“像水螅一样的”,后来在动物学中常用来指水螅纲中常见的固着型阶段(即“水螅体”)。

相关词 Related Words

文学与经典著作 Literary Works

  • Invertebrate Zoology(Ruppert, Fox & Barnes):在刺胞动物与水螅纲章节中频繁使用 hydroid
  • Marine Biology(Castro & Huber):在沿岸生态与刺胞动物内容中出现 hydroid
  • A Functional Biology of Scyphozoa and Hydrozoa(相关学术专著与章节汇编中常见):用于讨论水螅纲与生活史阶段时使用 hydroid
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