adjective 下载 🔗分享 艰巨，费力的。 Needing or using up much energy; testing powers of endurance. Examples : "The movement towards a peaceful settlement has been a long and arduous political struggle." 争取和平解决的努力是一场漫长而艰巨的政治斗争。 energy ability achievement 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 炽热的，热烈的。 Burning; ardent Examples : "The arduous task of preparing for the exam kept her awake late into the night. " 准备考试这项炽热的任务让她熬夜到深夜。 energy quality 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 艰难，费力，崎岖。 Difficult or exhausting to traverse. Examples : "The trek through the mountains was arduous, taking several days of constant climbing. " 穿越群山的徒步旅行非常艰辛，需要连续攀登好几天。 ability quality 与AI对话词汇游戏阅读练习
