fixed portion短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 固定部分 A Cornell University study found that when a fixed portion of food was eaten from a large plate, diners felt they had been give a smaller than average portion, so ate more. 康奈尔大学的一项研究发现，同样份量的食物在大一号的盘子会误导用餐者，让他们感觉食物份量减少了，结果就吃得更多。 ed09