n.探子(爱好或专门搜寻物品或人才)，侦察机

原形：spotter复数：spotters

The spotter was able to guide the climber safely to the ground after a fall.
这个观察员在攀岩者跌落之后能够安全地引导他回到地面。
During the football game, the spotter was responsible for tracking the ball's movement.
在足球比赛中，观察员负责追踪球的移动情况。
The spotter used a drone to monitor the wildlife in the national park.
观察员使用无人机来监视国家公园内的野生动物。
The spotter was crucial in spotting the enemy's position during the battle.
观察员在战斗中识别敌方位置至关重要。
The spotter helped the police locate the missing person by observing their last known location.
观察员通过观察失踪人员最后被看到的位置帮助警方定位他们。
In the shooting range, the spotter was tasked with marking the target's hits on the board.
在射击场，观察员的任务是标记目标在板上的命中点。
The spotter was responsible for keeping an eye on the weather conditions while hiking.
在徒步旅行时，观察员负责留意天气状况。
The spotter provided valuable information about the terrain to the hiker, helping them navigate.
观察员提供了有关地形的有价值信息给徒步者，帮助他们导航。
During the search operation, the spotter was instrumental in identifying potential threats.
在搜索行动中，观察员在识别潜在威胁方面发挥了关键作用。
The spotter was praised for his keen eyesight that allowed him to spot the rare bird from afar.
观察员因其敏锐的视力受到表扬，能从远处发现稀有鸟类。