Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
interact – v. to talk or do things with other people
mood – n. the way a person feels at a particular time
negative – adj. bad or harmful, not wanted
positive – adj. good or useful
exploit – v. to get value or use from something or use in a way that helps someone unfairly
addictive – adj. a strong and sometimes harmful need to regularly have or do something
pleasure – n. feeling of happiness or enjoyment
concentrate – v. give your full attention and thoughts to something
anxiety – n. feeling or being worried or upset
