The baby will open its mouth twice, the second time with a nice wide mouth, and lean in to grasp the breast.

VOA: special.2010.08.04

Professor Kelly Brownell: All right guys, welcome back after the weekend, I hope you all had a lovely weekend and a nice time.

凯利·布朗奈尔教授:大家好,欢迎在周末后回来,我希望你们都度过一个愉快而美妙的周末

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选