Halfdann.哈夫丹halfn.一半；下半场；半学年adj.一半的；不完全的adv.一半地；不完全地Half cell potential method半电池法half-bordered pit-pair半缘纹孔对half-round clamping ring半圆卡环half vehicle dynamic model半车模型half-wave rectifier tube半波整流管Half width at half maximum半値半幅half-slide matched mould瓣合模half-machine translation半机器翻译half-spin representation半旋表示half-duplex transmission半双工传输