observatories is observatory's Plural Form

observatory

US [əbˈzɜrvəˌtɔri]
UK [əbˈzɜː(r)vətri]
  • n.天文台;观察台;【军】(炮台的)监视阁
  • Web观景平台
Plural Form:observatories  
n.
1.
观测所,观象台,气象台,天文台
2.
观察台,瞭望台,望楼;【军】(炮台的)监视阁

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard