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单词
half-life
释义
half-life
n.
the time taken for the radioactivity or some other property of a substance to fall to half its original value
半衰期
(
物质的放射性或其他特性降至其原值一半所用的时间
)
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ob.
Obad.
obbligato
obconical
obcordate
obduracy
obdurate
obdurately
obdurateness
OBE
obeah
obeche
obedience
obedient
obediently
obeisance
obeisant
obeli
obelisk
obelize
obelus
obese
obeseness
obesity
obey
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更新时间:2026/8/30 6:41:30