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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
the devil is in the detail
the devil makes/finds work for idle hands
(the) devil take the hindmost
the dice are loaded against someone
the die is cast
the digital age
the digital divide
the digital economy
the diplomatic service
the director of public prosecutions
the dizzy heights (of something)
the dmv
the dod
the doe
the dogs
the doh
the doj
the doldrums
the dole queue
the doppler effect
the dow jones average
the dpp
the dreamtime
the drink
the dry
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：2025/8/2 0:54:21