短語詞組用作動(dòng)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(dòng)傳播短語 返回 propagating