loss:n.丧失,损耗 The loss of her purse caused her much inconvenience. 丢失钱包给她带来了诸多不便. lose:v.遗失,损失,失败,失去 I lost my wallet yesterday. 我昨天丢了钱包. losing:a.损失的,输的 n.失败,损失 Losing the match make quite a dent in his ego. 比赛失败对他的自尊心打击极大. lost:a.失去的,遗失的,迷惑的 v.遗失,损失,失败 vbl.遗失,损失,失败 1.She looked out of the window,sighing for her lost youth. 她看着窗外,为她失去的青春而惋惜. loss既然是名词了 怎么会有分词形式啊?这个我就不知道了