欧洲相对较弱的空军无法与美国的火力相提并论，而且由于奥巴马已经要求卡扎菲必须下台，若还不采取行动，他的名誉便岌岌可危。

The Europeans' small air forces cannot match the reach and firepower of America's—and having demanded that Qaddafi must go Mr Obama's own reputation is now on the line.

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Kennett博士和他的同事在本周于阿卡普尔科举行的美国地球物理联盟会议上所作的报告中指出，木碳中的一些混合物也可证明撞击的存在。

Mixed in with the charcoal, as Dr Kennett and a number of his colleagues reported to a meeting of the American Geophysical Union in Acapulco this week, are other bits that point to such an impact.

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矿床地质地球化学特征与美国卡林金矿床存在许多可类比之处。

On geological and geochemistry characters, this deposit is analogous with the Carlin gold deposit in American.

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