今天我们要学的是 peak. Peak 做为名词，意思是顶峰。A recent study suggested that there are two major peaks for happiness, at ages of 23 and 69 respectively. 最近的一项研究显示，人的一生中有两个幸福的顶峰，分别在23岁和69岁。美国劳工部公布的三月份就业数字显示，美国经济三月份增加了19万2千个工作机会。Looking strictly at the private sector, it means the labor market has finally returned to its pre 2008 global financial crisis peak. 单从私人部门看，这意味着美国劳动力市场终于回到了2008年全球经济危机前顶峰期的水平。好的，今天我们学习的词是 peak, peak, peak...