德国海德尔堡市马普学会天文研究所的天文学家莫里西奥·西斯特纳斯说，这项新研究“很精致”。

The new study "is a nice piece of work," says Mauricio Cisternas, an astronomer at the Max Planck Institute for Astronomy in Heidelberg, Germany.

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米德尔斯堡拒绝将雅库布卖给朴次茅斯，他们的报价是现金加上中场球员西恩·戴维斯。

Middlesbrough have turned down a deal to sell Yakubu Ayegbeni to Portsmouth for cash plus Sean Davis, the midfield player.

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1862年二月，美国北军将领攸里西斯·格兰特率兵在多纳·尔森堡战役中取胜。

In February 1862, Union general Ulysses Grant led his troops to victory at the Battle of Fort Donelson.

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