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动滑轮
释义
动滑轮dònghuálún[movable pulley] 即可以移动的滑轮,使用时滑轮位置发生改变。其作用是省力
随便看
Polyphemus
polyphemus moth
polyphenoester
polyphenol
polyphenol oxidase
polyphenoloxidase
polyphenyl
polyphenylene
polyphenylene ethyl
polyphenylene methyl
polyphenylene oxide
polyphenylene sulfide
polyphenylene sulfide fibre
polyphenylene thioether
polyphenyl ether
polyphenylethyl
polyphenyl thioether
polyphobia
polyphone
polyphonic
polyphony
polyphosphate
polyphosphazenes
polyphosphoric acid
polyphrasia
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/23 12:12:45