1. fall off 掉下来2. in need 患难见真情3. be known for 以。。著名4. by dozen 以打来计算5. tired of 对。。厌倦6. end of slavery 奴隶制终结7. from 通过买卖奴隶发财8. after the name 名为9. by 在灯光下工作10. entrance of 。。的入口11.with the hope of 怀有。。。希望12. cost for 为。。花费13. one out of four 四分之一14. to 把。。比作15. in line 站队16. be exploited for energy 被用做能量17. chargeto给，，充电18．dropinone顺道拜访19．runafter互相追逐20．shoutat向。。开枪21struggleon勉强支撑
八点了解
