Now Susan Mayne, who is a Professor here in the School of Public Health, has done some very interesting work with an electronic device that can be passed over the palm of your hand and measures pigmentation in the hand as a way to assess vegetable intake in people.

苏珊·梅恩,我们公共卫生学院的教授,做了些值得关注的工作,通过电子设备,扫描你的手掌,测算其上色素沉淀,可以得出人们蔬菜的摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

work with him on his school work, set a good example for him.

应该跟孩子一起做作业，为孩子树立榜样。

重要的是家庭教育 - SpeakingMax英语口语达人