京翰助手 循序渐进2A Unit 4 lesson1
Just for Fun
片段讲解秀
from:《蒙娜丽莎的微笑》
Unit 4 Great Inventions (伟大的发明) Lesson1 I Hear That Dr. King Is a Great Speaker (我听说金先生是个伟大的演说家) 【短语】 the invention of
talk about
by the way
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