rankn.等级；阶层；排；列v.排列；分等级；列为；排名，排位adj.繁茂的；讨厌的rank detector秩检测器rank of words词次等级rank identity秩的恒等式rankie vortex兰金涡rank equality秩等式Rankine cycle兰金循环,兰肯循环rank ordering级序分析rank outsider意想不到的获胜者; 黑马; 冷门ranksize rule位序一规模法则ranking scale排序标度