The researchers were from the Universityof Colorado Denver, Denver, Colorado; Washington University, St. Louis, Missouri; and the Universityof Pennsylvania, Philadelphia, Pennsylvania.
研究人员来自科罗拉多丹佛大学，华盛顿大学，圣路易斯大学，密苏里大学及宾夕法尼亚，费城的大学。
2
Consider how Rebecca Witte, a student at the UniversityofMissouri in St. Louis, introduced a speech to a college audience.