Yellowstone obviously was of this second type, but Christiansen couldn't find the caldera anywhere.

黄石公园显然属于第二种类型，但是克里斯蒂安森就是找不到这个火山口。

youdao

Navy spokesman Lieutenant Nathan Christiansen tells VOA that sailors and their families have been warned to be careful not to reveal any information that could be used against them.

VOA: standard.2010.01.07

Sophie Christiansen, Ricky Balshaw, Simon Laurens and Felicity Coulthard make up the remainder of the team.

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"No one wants to be in a crisis communications situation, " said Anadarko spokesman John Christiansen.

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Kenneth Christiansen, who died of cancer in 1994, was a former employee of Northwest airlines.

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