请输入您要查询的英文单词：
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
make someone’s toes curl
make something count
make something fast
make something of yourself
make something plain/make yourself plain
make something stick
make strides
make sure
make the best of a bad job
make the best of it
make the dust fly
make the first move
make the grade
make the most of something
make the rounds
make (the) time
make the ultimate sacrifice
make the/an effort (to do something)
make time (for)
make toward
make towards
make tracks
make up
make-up
makeup
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。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2026/4/23 7:57:53