同义词： detection catching spying spotting
以上来源于: WordNet
N the act or fact of being seen or discovered 水落石出
tec , hawkshaw
Espial: the act of watching or observing; observation.
窥探，侦察：观看或观察的动作；观察。
youdao
When the waggon had passed on, gabriel withdrew from his point of espial.
当马车继续前进的时候，加布里埃尔也离开了他窥探的地点。
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