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单词
half-life
释义
half-life
noun
countable
physics
UK
Word Forms
singular
half-life
plural
half-lives
DEFINITIONS
1
1
the amount of time that is needed for a substance to lose one half of its
radioactivity
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
half-life
noun
countable
physics
US
Word Forms
singular
half-life
plural
half-lives
DEFINITIONS
1
1
the amount of time that is needed for a substance to lose one half of its
radioactivity
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
随便看
nuzzle
half the battle
half the fun/problem/trouble etc with something
half the fun/problem/trouble etc. with something
half the time
half-timbered
half time
halftime
half tone
halftone
half-truth
half-truthery
half volley
halfway
halfway house
half-way/part-way through
half-wit
halfwit
half-yearly
half/twice etc as much again
half/twice etc. as much again
halibut
haligonian
halitosis
hall
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/5/15 9:31:51