royal observatory是什么意思

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royal observatory皇家天文台例句：

1. Few museums could rival the Old Royal Observatory at Greenwich for a grand day out.若想找个地儿开心地逛一天，没有哪家博物馆能比得上格林尼治皇家天文台。

2. He presented his finding to the Royal Observatory in Greenwich, England.他把他的发现提交给英国的格林威治皇家天文台.3. The Royal Greenwich Observatory was founded to observe and catalogue the stars.当初创立皇家格林尼治天文台就是为了观察星体并对其进行编目。