☆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。
七年级下册英语单词表Unit 1 Can you play the guitarguitar /ɡɪ'tɑ:(r)/ n.吉他sing /sɪŋ/ v.唱;唱歌swim /swɪm/ v.＆n.游泳dance /dɑ:ns/, /dæns/ v.跳舞;n.
