half-life

 
       
  • n. 半衰期
new

half-life的英文翻译是什么意思,词典释义与在线翻译:

英英释义

Noun:
  1. the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

half-life的用法和样例:

例句

用作名词 (n.)
  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。

词汇搭配

half-life的相关资料:

近反义词

【近义词】

临近单词

今日热词
目录 附录 查词历史