4bound
【释义】： n．(常pl．)界限，境界，范围：keep within 4bounds不越轨，守规：The people have to keep within the 4bounds of socialist discipline．人民必须用社会主义的纪律约束自己．know no 4bounds不知足，无限制．out of 4bounds越轨，越限．set 4bounds to限制． －vt．❶ 以…为界：China is 4bounded on the north by the Soviet Union and Mongolia．中国的北面同苏联和蒙古交界．❷ 限制，约束． |