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单词
half life
释义
half life
freq.
3
dict.
1
spoken
1
na.
【核】半衰期〔放射性同位素分裂[从生物体中排出]一半量的时间〔也作 half life 或 half life period〕〕
[网络]
半条命;战栗时空;半死不活
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更新时间:2025/3/18 0:02:11