VOA慢速英语:印度奴隶以终身服务换取领导地位

plantation – n. a large farm

scared – adj. frightened

eco-tourism – n. visiting a place for pleasure while helping with environmental issues

undisturbed – adj. not interfered with; untouched

charity – n. a group that helps the poor

rehabilitation – n. to make a person as they were before sick or a tragedy

challenge – n. a goal that is difficult to reach

packet – n. a covering or container; a small, thin object

chain – n. a series of metal links connected to another one; something that restricts movement