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isthmus

英 /ˈɪsməs/美 /ˈɪsməs/
  • n.
    地峡；管峡
复数isthmuses或isthmi

双语例句

  1. North and South American species migrating across the Isthmus now came into competition with each other.
    北美和南美的物种迁徙穿过地峡，现在开始互相竞争。
  2. Second, it appears that closely related populations of fishes on both sides of the isthmus are starting to genetically diverge from each other.
    其次，地峡两侧紧密相关的鱼类种群似乎开始在基因上彼此分化。
  3. While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.
    以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。

网络短语

  • Kra Isthmus
    克拉地峡
  • Isthmus of Corinth
    科林斯地峡；地峡
  • Isthmus of Tehuantepec
    特万特佩克地峡；特旺特佩克地峡
  • Isthmus of Chignecto
    希格内克托地峡；地峡
  • isthmus of fauces
    咽峡；咽峡腭垂

词义分布

地峡
56%
峡部
44%

英英释义

  • n.a relatively narrow strip of land (with water on both sides) connecting two larger land areas
  • n.a cord-like tissue connecting two larger parts of an anatomical structure

词源

  • isthmus地狭
    来自拉丁语isthmus,来自希腊语isthmos,狭窄的过道，地狭，特别是古希腊城邦柯林斯地狭，可能来自希腊语eimi,走，通过，词源同ire(拉丁语，走),exit,issue，-thmo,名词后缀。