初: at the beginning of; in the ...混: mix; confuse; mingle室: room预混室: premixer最初混合气: initial gas mixture初活性: initial activity初婚年龄中位数: median age at first marriage; medianageatfirstmarriage初基胞: primitive cell; simple cell初婚: 1.(第一次结婚) first marriage2.(刚结婚不久) newly married初基点阵: primitive lattice; simple lattice初会阴体: primitive perineal bodies; primitive perineal body初基晶胞: primitive unit cell初会阴: primary perineum初基晶格: primitive lattice初会: see sb. for the first time