艾迪塔罗德赛卫冕冠军杰夫•金的雪橇队在正式开赛后向前进发。

Former Iditarod champion Jeff King charges down the trail just after the official start.

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杰夫里·施罗德：(美国国家宇航局科学家)我想这个飞行器是可行的，但是加个不菲。

Jeffrey Schroeder (NASA scientist) : I think we can do it but it would be expensive.

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杰夫里·施罗德：(美国国家宇航局科学家)我想这个飞行器是可行的，但是加个不菲。

Jeffrey Schroeder (NASA scientist) : I think we can do it but it would be expensive.

youdao