Unit 1 Keeping Healthy Lesson 2Let's learn some new words.1.胃疼2.头疼3.牙疼New wordsstomachacheheadachetoothachestomachacheheadachetoothache你还知道其他与疾病相关的表达吗?have a coldget a feverarm hurtpillsoperationpatientdoctor你学会了吗?Let's practise!headachestomachachetoothacheheadache你做对了吗?!谢谢