五角大楼官员说，目前，我们只是在观察。

'Right now, we're just watching,' a Pentagon official said.

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这个表像这样用的：首先观察角块三色的方向。

First take a look at the orientation of the corners.

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在显微镜下观察，刚飘下的雪花呈精巧的六角形。

Seen under a microscope , a fresh snowflake has a delicate six-pointed shape.

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在显微镜下观察，刚飘下的雪花呈精巧的六角形。

Seen under a microscope , a fresh snowflake has a delicate six-pointed shape.

youdao