★spot v. 看出，发现
pick out / see / recognize / catch sight of
eg: A tall man is easy to spot in the crowd.
He has good eye for spotting mistakes. 他有敏锐的识别错误的能力。
spot(做动词时候) = see:强调结果、辨别出、看见、识别、发现。
find 强调发现的结果。
find out 查出事实真相。
discover 做出重大发现
notice 注意到
observe 观察
watch 观察活动中的人或画面
spot n. 斑点
eg: There is a white spot on the shirt.
on the spot
