形容词 half-size:

1. half the usual or regular size

halfarcn.半弧光灯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 wave dipole半波偶极子half-turn coil半匝线圈,半圈线圈halftone screens半色调网版half field angle半视界角half write pulse半写脉冲half-car model1／2车辆模型half dislocationn.半位错half life periodn.半衰期half inch margin半英寸边界half-paralyzedadj.半身不遂