相关单词同义词quadruple, 近义词 quadruple 四倍的, four-fold 四个的, quadruplicate 一式四份中之一..., quadruplex 四倍的临近词fourer, four, four-harness twill, four cell placer jig, four boards lingkage, four-fold purchase, fourhanded dentistry, four-wheel trailer, Fourier spectrometer, four-wire crossarm, Fourier's alteration, Fourier-domain OCT相似词four-square, four-star, four-wheel drive, four-wheeler, foursome, fourteen, fourteenth, fourth, 返回 fourfold