air-surveillance的用法和樣例：
例句
用作名詞 (n.)
- Later air reconnaissance showed that the battleship was heavily damaged.
事后，空中偵察表明，該戰列艦受傷頗重。 - A wyvern may choose an orc with a willingness to take to the air, and the two establish a formidable aerial scouting and combat team.
一只雙足飛龍可以自發(fā)選擇一個(gè)獸人來(lái)帶其飛行，或兩個(gè)來(lái)建立一個(gè)強大的空中偵察和戰斗隊。
