请输入您要查询的英文单词：
单词
mass unit
释义
Definition of
mass unit
in English:
mass unit
noun
Atomic mass unit.
Origin
1940s
.
Definition of
mass unit
in US English:
mass unit
noun
Atomic mass unit.
Origin
1940s.
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backstab
backstab
back-stabber
back-stabber
backstabber
back-stabbing
backstabbing
backstabby
back-staff
backstage
back stage
backstages
backstairs
backstairss
backstamp
back station
backstay
backstays
back sth up
backstitch
back-stitch
backstitched
backstitches
backstitching
back-stone
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/8/5 8:22:09