短語(yǔ)詞組短語(yǔ)Arduous efforts 艱辛的努力;艱辛努力arduous journey 跋涉;艱苦的旅行arduous paths 陡峭的道路arduous service 睏難的運(yùn)行條件Arduous Major 艱苦專業(yè)And Arduous 和艱苦Forthcoming Arduous 艱苦的Survival Arduous 生存異常艱難arduous task 艱巨任務(wù);艱巨的任務(wù);任務(wù)艱巨make arduous efforts v . 努力奮鬭 返回 arduous