主要人物和主要地点
Main Characters and Main Places

罗斯教授Luósī jiàoshòu: Professor Ross

戴伟Dàiwěi: A graduate student at a US university

杰夫Jiéfū: A graduate student at a US university

秋田Qiūtián: A graduate student at a US university

吉玛Jímǎ: A Chinese girl who is a university graduate

珍珠湖Zhēnzhū Hú: Pearl Lake

云南Yúnnán: Yunnan Province (in south-west China)

昆明Kūnmínɡ: Kunming, capital city of the Yunnan Province

丽江Lìjiānɡ: A historic town in Yunnan

北京Běijīnɡ: Capital of China

文中所有专有名词下面有下画线，比如：吉玛、珍珠湖

(All the proper nouns in the text are underlined, such as in吉玛、珍珠湖)