基本解釋[數(shù)學(xué)]開(kāi)平行六面體詞組短語(yǔ)短語(yǔ)open rectangular parallelepiped 開(kāi)長(zhǎng)方體open parallelepiped更多詞組專(zhuān)業(yè)釋義數(shù)學(xué)開(kāi)平行六面體