Yuan and colleagues used the giant Keck ii telescope atop Mauna Kea in Hawaii to measure the galaxy's metallicity at several different points.

Yuan和她的同事利用夏威夷莫纳·克亚山上的凯克ii号望远镜对那个星系几个不同地点的金属丰度进行了测量。

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Since then, a great deal of headway has been made with focus on two components in particular: (I) the new risk-based approach and (ii) efforts to improve supervision and implementation support.

此后，有关工作取得了很大进展，尤其是以下两方面工作：(1)制定基于风险的新策略；(2)加大监督检查和实施支持力度。

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Hundreds of years later, in 1969, American astronaut Neil Armstrong stepped down from Apollo II and walked on the moon.

几百年后的1969年，美国宇航员尼尔·阿姆斯特朗走下阿波罗二号，在月球上迈出了人类的一大步。

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The project collects remembrances of veterans who served in World War I,World War II, the Korean War and Vietnam War.

VOA: special.2010.11.05

When Darius II died, who was the king of the Persians, Alexander himself took on Darius's title, which was Great King.

波斯国王大流士二世死后，亚历山大使用了大流士的头衔，也就是“大帝“

耶鲁公开课 - 新约课程节选

II Only thin smoke without flame ; From the heaps of couch-grass; Yet this will go onward the same Though Dynasties pass.

只有没有火焰的烟,从茅草堆中冒出;,然而这还是会照样向前,即使朝代更迭。

耶鲁公开课 - 现代诗歌课程节选

Still I feel it will be worse than any time since World War II.

FORBES: Leon Levy Says Sell on Strength

In 1948, the first Olympic Games after World War II opened in London at Wembley Stadium.

CNN: Wednesday,

Right in the City of London, in a beautiful Grade II-listed building, is 1 Lombard Street.

BBC: Insider��s guide to London