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单词 half-life
释义

half-life

1 ENTRIES FOUND:
half-life /ˈhæfˌlaɪf/ Brit /ˈhɑːfˌlaɪf/ noun
plural half-lives
half-life
/ˈhæfˌlaɪf/ Brit /ˈhɑːfˌlaɪf/
noun
plural half-lives
Learner's definition of HALF-LIFE
[count] technical
: the time it takes for a radioactive substance to lose half its radioactivity(放射物质的)半衰期
often used figuratively to describe how long something remains useful or popular常用作比喻,指某物的繁荣期或流行期
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更新时间:2025/2/10 22:08:50