adjective 下载 🔗分享 费力的,艰苦的 Having great vigour or energy Examples : "The marathon training was very strenuous, requiring a lot of energy and effort. " 马拉松训练非常艰苦,需要付出大量的精力和努力。 energy body action physiology 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 费力的, 艰巨的. (of a task) Requiring great exertion; very laborious Examples : "The marathon training was very strenuous, requiring hours of running each day. " 马拉松训练非常艰巨,每天都需要跑好几个小时,非常费力。 work condition energy ability 与AI对话词汇游戏阅读练习