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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
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shoebox
shoehorn
shoelace
shoemaker
shoeshine
shoestring
shoetree
shofar
shogun
shone
shonky
shoo
by a long way
by a mile
by and by
by and large
by a neck
by any chance
by association
by a whisker
by choice
by common/general consent
by comparison (with)
by default
by definition
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:2025/3/25 19:47:20