A borough of Greater London in southeast England on the Thames River.It is the site of the original Royal Observatory, through which passes the prime meridian, or longitude0=.是什么意思_A borough of Greater London in southeast England on the Thames River.It is the site of the original Royal Observatory, through which passes the prime meridian, or longitude0=.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句