V2EX sea squirt

Sea Squirt

释义 Definition

sea squirt(名词):海鞘,又称被囊动物(tunicate/ascidian),一种常见的海洋无脊椎动物,多数成体固着在岩石、码头或船底等表面,通过过滤海水获取食物。受挤压或受扰动时可能喷出体内的水,因此得名。

例句 Examples

We found a sea squirt on the tide pool rock.
我们在潮池的岩石上发现了一只海鞘。

Although sea squirts look simple, they filter seawater efficiently and have a larval stage that shows features related to chordates.
虽然海鞘看起来很简单,但它们能高效过滤海水,而且其幼体阶段具有与脊索动物相关的一些特征。

发音 Pronunciation (IPA)

/si skwrt/ (AmE)
/si skwt/ (BrE)

词源 Etymology

sea(海)+ squirt(喷射、挤出)构成。这个俗名形象地描述了海鞘在被触碰或挤压时,常会从入水孔/出水孔排出体内海水的现象。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Your Inner Fish(Neil Shubin,《你的内在之鱼》)在讲解脊索动物演化与亲缘关系时常涉及海鞘/被囊动物。
  • The Ancestor’s Tale(Richard Dawkins,《祖先的故事》)以演化谱系叙述为主,讨论到包括海鞘在内的相关类群。
  • Life on Earth(David Attenborough,《地球上的生命》相关文字版本)在介绍海洋无脊椎动物多样性时常提及海鞘类生物。
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