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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
unpredictable
unprejudiced
unpremeditated
unprepared
unprepossessing
unpretentious
unpreventable
unpriced
unprincipled
unprintable
unproblematic
unprocedural
unproductive
unprofessional
unprofitable
unpromising
unprompted
unpronounceable
unprotected
unproven
unprovoked
unpublish
unpublished
unpunished
unputdownable
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:2025/2/22 5:07:51