finder

名词 finder:

1. someone who comes upon something after searching
2. someone who is the first to observe something
   同义词：discoverer, spotter
3. optical device that helps a user to find the target of interest
   同义词：viewfinder, view finder

1. The money was returned intact by its finder.
   钱原封未动地被捡拾者送还。
2. A trademark used for a sonic depth finder.
   回音测深仪一种声音测深仪的商标

find.er

n.（名词）
One that finds:
发现者：
例句：
a finder of great hidden treasure.
大宝藏的发现者

A viewfinder.
取景器
A low-power, wide-angle telescope fixed to the body of a more powerful telescope and pointed in the same direction for initially locating an object to be observed.
寻星镜：一种低功率大视野的望远镜，附加在一台较大的望远镜上，为开始标出被观察的物体位置而指向同一方向