It's a green square.

这是一个绿色的正方形。

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Green Square holds profound symbolic value.

绿色广场有深远的象征意义。

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Inside the big circle but outside the small circle draw a green square.

在大圆圈里面、小圆圈的外面画一个绿色的正方形。

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So Union Square has a great Green Market,

联合广场有一个很不错的绿色市场，

联合广场呢 - SpeakingMax英语口语达人

Then the image is reprojected onto your arm in a neat, green square.

FORBES: Magazine Article

But one witness, who agreed to be identified only as Adam, said helicopters landed troops "armed to the teeth" in Tripoli's Green Square on Monday.

CNN: STORY HIGHLIGHTS

In London alone, there are approximately 1 million square meters of green roofs planned, with about 200, 000 square meters already installed.

CNN: Green roofs cool cities, combat climate change, say Germans