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请输入您要查询的英文单词：
单词
rolled-steel joist
释义
rolled-steel joist
in British English
noun
a steel beam, esp one with a cross section in the form of a letter
H
or
I
Abbreviation:
RSJ
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permutate
permutation
permutational
permute
pern
pernambuco
pernancy
pernicious
pernicious anaemia
pernicious anemia
perniciously
perniciousness
pernicketiness
pernickety
pernik
pernio
pernoctate
pernoctation
pernod
perog
peron
perone
peroneal
peroneus
peronism
英语词典包含298861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。
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更新时间：2026/9/2 7:52:02