龄 [líng]

• 名词
  • （岁数） age; years:

    old age; advanced in years;

    老龄

    school-age children;

    学龄儿童

  • （年限） length of time; duration:

    length of military service;

    军龄

    length of service; years of service

    工龄

  • （某些生物体发育过程中不同的阶段） instar:

    adult instar;

    成虫龄

    larval instar;

    幼虫龄