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

Stepan won the draw in the left circle and sent the puck right to Nash, who beat Fleury cleanly.

WSJ: Jokinen leads Penguins by Rangers 2-1 in shootout

Stepan won the draw in the left circle and sent the puck right to Nash, who beat Fleury cleanly to send the very chippy game into overtime.

WSJ: Jokinen leads Penguins by Rangers 2-1 in shootout

If we fail to expand this circle, we will be unable to defend ourselves against racists and sexists who want to draw the boundaries more closely around themselves.

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