Dreye权威释义 | reconnaissance

n.

同义:

n.勘察，探查

n.调查

以上来源于：《英汉大辞典》

/rɪˈkɒnɪs(ə)ns/

n.

military observation of a region to locate an enemy or ascertain strategic features.

▸preliminary surveying or research.

C19: from Fr., from reconnaître (see reconnoitre).

以上来源于：《简明牛津英语词典》