在《PONS词典》中的词汇
ob·ser·ˈva·tion air·craft 名词
在《PONS词典》中的词汇
ˈair·craft <pl -> 名词
ob·ser·va·tion [ˌɒbzəˈveɪʃən, 美 ˌɑ:bzɚˈ-] 名词
1. observation no pl (watching closely):
2. observation no pl (noticing things):
3. observation 书 (thought):
- observations on [or about] sth
-
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单语范例（未经PONS编辑处理）
He was also reputed to spot enemy observation aircraft very far away in the distance, where most other pilots would have perceived nothing.
en.wikipedia.org The aircraft was said to be in a steep dive before it crashed into the reservoir.
en.wikipedia.org This bar was mechanically connected to a vertical pointer which would indicate the approximate position of the aircraft on the map grid.
en.wikipedia.org The list does not include projects that were cancelled before an aircraft was built or fictional aircraft.
en.wikipedia.org Unexpectedly, subsequent mass-produced aircraft were found to be 1012% heavier than the prototype, which significantly hampered performance.
en.wikipedia.org