arduous
短语词组
- Arduous efforts 艰辛的努力;艰辛努力
- arduous journey 跋涉;艰苦的旅行
- arduous paths 陡峭的道路
- arduous service 困难的运行条件
- Arduous Major 艰苦专业
- And Arduous 和艰苦
- Forthcoming Arduous 艰苦的
- Survival Arduous 生存异常艰难
- arduous task 艰巨任务;艰巨的任务;任务艰巨
- make arduous efforts v . 努力奋斗 返回 arduous