请输入您要查询的英文单词：
单词
RRR
释义
Definition of
RRR
in US English:
RRR
abbreviation
(of mail) return receipt requested.
Definition of
RRR
in US English:
RRR
abbreviation
(of mail) return receipt requested.
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operatics
operating
operating budget
operating costs
operating crew
operating instructions
operating manual
operating procedure
operating profit
operating room
operating system
operating systems
operating table
operating tables
operating theatre
operating theatres
operating voltage
operation
operational
operational amplifier
operational area
operational expenditure
operational flight
operationalisable
operationalisation
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：2026/1/24 4:04:57