短语词组用作名詞 (n.)動詞+~cause 〔create, produce〕 friction 引起摩擦minimize 〔reduce〕 friction 減小摩擦形容詞+~constant friction 經常性摩擦political friction 政治沖突~+介詞the friction of sth against 〔between〕 與…之間的摩擦the friction over 關於…的爭執短語 返回 frictionally