observatory用法_例句
observatory 朗读
observatory
音标：əb'zɜːvətri
observatory翻译
observatory双语用法和例句
相关单词
overdry oosphere ouzo overdetermine overgorge oktastylos oui onwards othergates overlaid organisation oxidimetry opponency offset outwalk ovaritis officialism omittance oxaloacetic octodecimo