reconnaissance

recon

[ ri'kɒnisәns ]

柯林斯星级 ★☆☆☆☆ BNC词频 12522 COCA词频 11909

n. 侦察, 勘察队
[电] 勘查

n. the act of reconnoitring (especially to gain information about an enemy or potential enemy)

英汉双解字典由 ECDICT 提供