( <美> reconnoiter)
with obj.
- make a military observation of (a region)侦察（地区）：
they reconnoitred the beach some weeks before the landing
登陆前的几周他们侦察了海滩
no obj. the raiders were reconnoitring for further attacks.袭击者们在为进一步攻击进行侦察。
- informal an act of reconnoitring〈非正式〉侦察：
a nocturnal reconnoitre of the camp
对敌营的夜间侦察。
词源
early 18th cent.: from obsolete French reconnoître, from Latin recognoscere 'know again' （see RECOGNIZE）.