twoscoreadj.四十的n.四十四十个(的).twonum.二；两个two closely spaced elbows组合弯头two-dimensional nucleus二元原子核two-photon entanglement双光子纠缠two basic learning theory双基two hundred and forty six(=246) 二百四十六two-phase pressure drop两相流动压降two-colour reproduction双色重现,双色再现Two plus five is seven.二加五等于七。two-way simplex circuit双向单工电路two-way composite floor双向叠合楼盖