| 单词 | observer |
| 释义 | observer —observership, n. /euhb zerr"veuhr/, n. 1. someone or something that observes. 2. a delegate to an assembly or gathering, who is sent to observe and report but not to take part officially in its activities. 3. U.S. Air Force. a. a member of an aircrew, other than the pilot, holding an aeronautical rating. b. a person who maintains observation in an aircraft during flight. 4. Also called air observer, aircraft observer. U.S. Army. a person who serves in an aircraft as a reconnoiterer and directs artillery fire. [1545-55; OBSERVE + -ER1] |
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