loss.lose.lossing.losing.lost的意思

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

loss n.
1. 丧失;遗失[U]
2.损失;亏损(额)[C][U]
3. 输,失败[U][C]
4.4. 减少,减低[S1]
lose
vt.
1. 失,丢失,丧失
2. 使失去[O1]
3. 输去;未赢得
4. 损失(金钱)[(+on)]
5. 迷失;使迷路
6. 听不见;看不见;抓不住;错过...