单词	propagation duct
释义	propagation duct 传播导层
随便看	general reader general reagent general real-time system general reasonableness general receiver general reciprocal general reciprocity law general recognized as safe general recombination general recommendation general recommendations general reconstruction general record general record keeping requirements general records general recursion theorem general recursive general recursive applicative and algorithmic language general recursive function general recursiveness general recursive predicate general reduced gradient method general reduction general reference general refrigerated ship ping pjbc pjbh pjbl pjby pjcb pjcc pjcf pjcg pjcm 笔耕笔胆笔致笔舌笔芯笔触笔记笔诉笔译笔试