☆美国英语母语人士点评:Lesson is normally what you're studying IN class， and class is just used to talk about the actual course you're taking. Lesson通常是指你在课堂上学习的内容，class只是用来谈论你所上的实际课程。
Words and Expressions in Each Unit七年级上册英语单词表Starter Unit 1good /gud/ adj. 好的morning /'mɔ:niŋ/ n. 早晨；上午Good morning! 早上好！hi /hai/ interj.
