词典释义：
释义
n.
a person that looks for or observes a particular thing as a hobby or job
喜欢（或专门）寻找（或观察）…的人
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bus-spotters. 大汽车观察爱好者。
an aviator or aircraft employed in locating or observing enemy positions
航空侦察员；侦察机
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[as modifier]
spotter planes. 侦察机。
〈美，非正式〉 （公司雇佣针对员工或顾客的）秘密监视员。
(in gymnastics, weight training, etc.)a person stationed to observe the performer and minimize the risk of accidents or injuries
（体操、举重训练等中保障运动员安全的）现场监护人员。
