短语词组用作動詞 (v.)～+名詞propagate sound 傳播聲音～+副詞propagate cunningly 精巧地傳播propagate easily 容易傳播propagate peacefully 安靜地傳播propagate rapidly 迅速蔓延～+介詞propagate by taking cuttings 用插條的方法繁殖propagate by vibrations 靠震動傳播短語 返回 propagating