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单词 crossing over
释义
crossing over
  • 简明释义
  • 染色体交叉:指在减数分裂过程中同源染色体之间的基因物质交换,促进基因的多样性。
  • 英英释义
  • n.
    • 1

      the interchange of sections between pairing homologous chromosomes during the prophase of meiosis

      同义词:crossover

  • 双语例句
  • 1
    There's no question there's been a significant reduction in the illegal crossings over the past five years.
    毫无疑问,过去五年来非法越境现象已明显减少。
  • 2
    The police dispatched the fake zebras to several different locations in the Russian capital, where officials in orange vests walked them over zebra crossings and handed out flyers to passing drivers.
    警察让这些假斑马前往首都莫斯科的几处不同地段,穿橘色坎肩的警官带着它们走过斑马线,向过往的司机分发传单。
  • 3
    Pedestrians and vehicles must, when passing a railway level crossing or a pedestrian cross-walk, observe the relevant regulations governing passage over crossings.
    行人和车辆通过铁路平交道口和人行过道时,必须遵守有关通行的规定。
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更新时间:2025/3/23 9:08:10