| 单词 | half life |
| 释义 | half life (once / 52068 pages) n WORD FAMILY half life: half lives USAGE EXAMPLESJoe is a prototypical working class American male – stout, thick, jovial, moralistic, but with a puckish curiosity about how the other half lives. The Guardian(Sep 02, 2016) But it's fun to read how the other half lives. Golf Digest(Sep 01, 2016) Half of the people believe that they know how the other half lives, and deem them enemies. The New Yorker(Aug 01, 2016) n 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) Syn|Hyper half-life period, period of time, time period an amount of time |
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