单词	人口闸
释义	人口闸 man lock
随便看	polar elementary storm polar encircling cell polarential telegraph system polar equal-area projection polar equation polar equivalent projection polar excitation polar excitation law polar expedition ship polar expedition vessel polar experiment polar explorer polar explorers polar explosive polar explosives polar extremes polar face polar factorization polar factorization of a matrix polar factorization of transformation polar faunal group Polar fetal presentation polar-fiber polar fibers polar field