傳播波前 propagating: 傳播的, 繁殖的back-propagating: 后向傳播forward-propagating: 正向傳播propagating burning: 傳播燃燒propagating crack: 傳播裂紋; 擴展型裂紋下載手機詞典可隨時隨地查詞查翻譯