第二: second点: drop第二;第二点: second其次, 第二点: in the second place输入第二点: enter second point (or f for first point)二点: deuce; two-point二点论: theory of two points二点谱: two point spectrum十二点: pica第二: 1.(序数) second 第二把手 number two man; second in command2.(姓氏) a surname 第二彦 di'er yan; 第二版 the second edition; 第二产业 second [secondary] industry; 第二承运人 succeeding carriers; 第二宇宙速度 second cosmic velocity (物体具有每秒11.2公里的速度时, 就可以克服地心引力, 脱离地球, 也叫“脱离速度”); 第二战场 second front; 第二阵地 second position二点辨别觉: two-point discrimination二点测交: two point test; two-point test二点测试法: two point measurement二点分布: two point distribution; two-point distribution二点间操作: point-to-point operation二点间线路: point to point line二点检验法: pair test二点探测: three point plane二点探针: two point probe二点透视: two-point perspective二点外推: two points extrapolation二点弯折: two point depression二点问题: two point problem二点杂交: two point cross二点重切面: bitrope