withinprep.在(某段时间、距离或范围)内；在…里面adv.在…里面n.内部within a few yards离这儿几码远within one's power在能力〔权力〕之内within fine limitsadj.细致地(精确地)within three years三年内within and between在 ... 内部和之间within one's depth时域非线性within the compass在范围内within the pale of在within prospect ofadj.在望(有希望；可期待)within one's grasp完全匹配