Professor: Todd just arrived at his parents' house in Alaska after flying there from California. He is telling his parents about what a disastrous flight he had. 我还担心Todd因为去错了候机楼赶不上飞机呢。这么说他并没有误机，...
Todd圣诞节要回阿拉斯加看望父母，他正在机场过安检。 Professor: In this first part, an airport security guard is telling Todd what to do before he goes through the metal detector and puts his bags through the x-ray machine. Metal...
Todd在洛杉矶上学，趁着放寒假，要回阿拉斯加去和父母一块儿过圣诞节。今天，他来到一家旅行社定机票。 Professor: Do you visit your parents on the holiday, Winnie? 当然了，我可是孝顺女儿呢！ Agent:...
First thing people should know is that the two expert agencies, the World Health Organization and CDC - Centers for Disease Control, have reviewed the environment, and neither have recommended any restrictions whatsoever on travel. The air in a cabin...
