12.1

appetite n. [C, usu. sing., U] a desire for food 胃口；食欲 lecturen. [C] a long talk on a particular subject that sb. gives to a group of people, esp. to students in a college or university(尤指大学里的)讲座，演讲 literature n. [U] books, plays, poems,etc. that are considered to have value as art and not just entertainment文学；文学作品 undergraduate n. [C] a student at college or university, who is working for their first degree(在读的)大学(本科)生 frighteningly ad. 1 used for emphasizing sth.(用于强调)非常，极其 2ina way that makes you feel afraid or nervous令人恐惧地；令人不安地