The second stain is called Rose Bengal. It highlights the dry areas on your eye so the extent of the problem can be determined.

第二种是孟加拉玫瑰红，它能突出你眼球上的干燥区域从而确定其范围。

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The curvature is the second order derivative of displacement. Also, it has a liner relationship with stain.

曲率又是位移的二阶导数，同时曲率又与应变存在着一一对应关系。

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In the wake of those punishments and the ongoing public stain of the investigation, the program failed to surpass the NCAA tournament's second round since 1994 until this season.

WSJ: A Reason to Remember the Fab Five