didymousdiplexdiploiddoubledualduoduplexdxevengeminategeminoustwin双: two; twin; both; dual的: 4次方是 The fourth power of 2 i ...成双的: biparous; didymous; double; geminate; pairwise; twinned无双的: incomparable; nonpareil; peerless; unequalled; unique; unparalleled不成双的: u aired; unpaired下载手机词典可随时随地查词查翻译