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