必修1Unit1. Friendship1. add up 合计2. upset vt&vi 弄翻,使不安,使心烦,扰乱adj. 心烦意乱的,不舒服的,不适的,难过的.3. ignore不理睬、忽视4. calm (使)平静、(使)镇定calm down 平静/镇定下来5. have got to 不得不、必须6. concern (使)担忧、涉及、关系到be concerned about关心,挂念7. go through 经历、经受8. set down 记下、放下、登记9. a series of 一系列10. on purpose 故意11. in order to 为了12. at dusk 在黄昏时刻13. face to face 面对面地14. no longer/notany longer 不再15. settle 安家、定居、停留16. suffer 遭受、忍受、经历17. suffer from 遭受、患病18. recover 痊愈、恢复、重新获得19.