"Darfur also provides the unique opportunity for donors and development program managers to deal with some of the most pressing global issues - like globalization,desertification, water management and climate change - in a holistic way and manner."

VOA: standard.2010.03.21

It is going to smear in this manner and will look something like this where I have dumbbell shapes with smearing.

这带有一点拖尾效应,看起来像某个东西,带一点拖尾效应的哑铃。

麻省理工公开课 - 固态化学导论课程节选