形容词 half:

1. consisting of one of two equivalent parts in value or quantity

2. partial

3. (of siblings) related through one parent only

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 ring半环half belt前露后藏式腰带half shoe半蹄铁half mold半模固结仪halftrackn.半履带式车辆adj.车辆的半履带式的half mask半截面罩halfboundadj.半精装的half dime半角；五分(美国旧银币)half side半侧half stepn.[军]小步；快步