twice-yearly

形容词 adj. 副词 adv.
中文释义

英文释义

形容词 adj.
  1. Happening twice each year; semi-annual; biannual. not-comparable
    — While the migrations of many butterflies now appear to be twice-yearly movements away from and back to the same areas, they differ from those of birds in ...
副词 adv.
  1. Twice each year; semi-yearly; biannually. not-comparable
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