| 释义 | 
             
                substitution of pairs
                
            一双yī shuāng 
 a pair of, pair对子duì zǐ 
 two pairs双双shuāng shuāng 
 in pairs双对子shuāng duì zǐ 
 two pairs成对地chéng duì dì 
 in couples, in pairs成双地chéng shuāng dì 
 by twos, in pairs俪lì 
 husband and wife; couple; of a pair; parallel搭配dā pèi 
 collocation; assort or arrange in pairs or groups无独有偶wú dú yǒu ǒu 
 not come singly but in pairs置换zhì huàn 
 metathesis; permute; replacement; substitution; displacement置换的zhì huàn de 
 transpositional; substitutions; displaced; permuted序偶xù ǒu 
 ordered pair替代产品的威胁tì dài chǎn pǐn de wēi xié 
 substitution threat; the threat of substitute product替代tì dài 
 substitute for; supersede; replace; substitution; replacement替代疗法tì dài liáo fǎ 
 substitution therapy; substitutive therapy替代效应tì dài xiào yīng 
 substitution effect; replacement effect对duì 
 right; counter; face; pair括号对kuò hào duì 
 bracket pair平等的píng děng de 
 au pair一对yī duì 
 brace, pair, twain另外一回事lìng wài yī huí shì 
 another pair of shoes; something else again骈pián 
 parallel; antithetical; a pair of horses, as in driving a carriage成对安装chéng duì ān zhuāng 
 paired mounting混双hún shuāng 
 mixed doubles; mixed pair一副yī fù 
 deck, pack, pair, set
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