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