One drink equals a bottle or can of beer, a medium glass of wine or a very small glass of liquor.

VOA: special.2009.09.08

when I talked on the first day of class about my own boyhood experience when a Coca-Cola was an eight ounce glass or a Pepsi was an eight ounce bottle rather, that was a serving.

上课第一天,我讲了我少年时代的经历,那时可口可乐装在八盎司的玻璃瓶里,百事可乐也一样,那是一餐份量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选