The museum hired an ornithologist to lead weekend bird-watching tours for visiting guests.

博物館聘請了一位鳥類學家，帶領來訪遊客參加週末賞鳥導覽。

Please book a hotel room near the airport for the ornithologist arriving Thursday.

請為週四抵達的鳥類學家預訂一間靠近機場的飯店房間。

Our wind farm proposal was reviewed by two ornithologists before the board meeting.

我們的風力發電場提案在董事會議前，已由兩位鳥類學家審查過。