Old crust is destroyed as it rolls down into the hot area and melts again.

VOA: special.2010.01.12

It comes in front of me, almost rolls over top of me, runs me down, and then disappears to my right, so as we listen to this, you think about what are the techniques by which Musorgsky creates this musical action scene.

它来到我面前,几乎从我头上碾过,把我撞倒,然后从我右边消失,当你们听到这时,请你们思考穆索尔斯基用到什么技巧,用音乐创造这个动态的场景

耶鲁公开课 - 聆听音乐课程节选

And it was painted on the papyrus rolls used for writing about medicine and doctors.

VOA: special.2009.03.22

This is because my father rolls up his sleeves and prepares to work hard.

VOA: special.2010.05.02

He added that some stations experienced minor difficulties in operating the electronic registration rolls and party observers arrived at some polling stations without proper accreditation.

VOA: standard.2009.11.28