half-times

英['hɑːft'aɪmz] 美['hɑːft'aɪmz]
  • 半寿期;半衰期
  • half n.一半;下半场;半学年adj.一半的;不完全的adv.一半地;不完全地
  • showing n.表现,表演;放映,展映;成绩动词show的现在分词.
名词 halftime:
  1. an intermission between the first and second half of a game

    1. The time it takes for half of its original amount to decay is called the half-life.
      衰变至只剩下原来数目一半所需的时间称为该核素的半衰期。
    2. It is not necessary to wait until half of a sample has decayed in order to measure the halflife.
      不必一直等到样品衰变一半之后才测量它的半衰期。