使: send; tell sb. to do sth.成: accomplish; succeed双: two; twin; both; dual使成双轨: double-track使成双联式: duplicate成双: atwain; couple; duplication; geminate; gemination; geminative; reborn; twin成双疵: doubling成双的: biparous; didymous; double; geminate; pairwise; twinned成双地: in pairs成双区: double zoning; formation of two zones成双性: binarity罗成双: luo chengshuang不成双的: u aired; unpaired成对；形成双晶: twinning成对成双: in pairs even成双搏动: paired beats成双不成对: two much成双成对: in pairs; female and male成双串联: twin-tandem成双的；两倍: doub成双地, 成对地: in pairs成双夺获: paired captures成双构件: accouplement成双结对: be in pairs; form a couple成双配对: make a pair of; join into pairs
