n.努力；费力；（能力、权力等的）运用；行使 变形： 复数：exertions 双语释义：n.(名词)[C][U]努力，尽力；费力 great effort, strenous effort[S]行使，运用，发挥 the use of power to make sth happen英英释义： exertion[ iɡ'zə:ʃən ]n.use of physical or mental energy; hard work"they managed only with great exertion"同义