reconnaissance

名词

1. 1

   侦察、侦查军事

   The unit flew a reconnaissance mission over the border at dawn.

   该部队在清晨飞越边境执行侦察任务。

2. 2

   勘查、探勘、初步调查

   Engineers carried out a reconnaissance of the site before drilling began.

   工程师在开钻之前先对场址进行勘查。