Long-lost Map正版特价
long-lost mathematics离散数学
long-lost t失传已久的
long-lost relatives长久失散的亲戚
Long-lost process control离散过程控制
long-lost cosine code离散余弦编码
a long-lost friend一个很久没联系的朋友
Long-lost high point离散高程点
long-lost relatives detail长久失散的亲戚
ADJ（形容词） You use long-lost to describe someone or something that you have not seen for a long time. 很久没见的 [ADJ n]
For me it was like meeting a long-lost sister. We talked, and talked, and talked.
对我来说就像见了久未谋面的姐妹一样。我们聊了又聊，聊个不停。