On the lower one, we draw a largish circle of grey. Then in the upper layer, we draw a smaller circle of black.

在下面一层我们画出一个较大的灰色圆圈，在上面一层，我们画一个小一点的黑色圆圈。

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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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Draw a big blue circle around the small circle.

再围绕小圆圈画一个蓝色的大圆圈。

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It makes sense to draw the wave function as a circle, because we do know that 1 s orbitals are spherically symmetric.

把波函数画成一个圆是有道理的，因为我们知道1s轨道是球对称的。

麻省理工公开课 - 化学原理课程节选

Draw a circle around the central city of Mandalay with a radius of just over 700 miles (1, 100km), he writes, and it stretches to the states of West Bengal and Bihar in India, to Yunnan and Sichuan provinces in China, as well as to Tibet, and south to cover most of Laos and Thailand (see map).

ECONOMIST: How Myanmar is moving ever closer into China��s orbit