Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
stable – adj. not likely to change or end suddenly
induce – v. cause a particular condition
coma – n. the state of being unconscious for a long time
unfortunately – adv. used to say that you wish something was not true or that something had not happened
harass – v. to continue to annoy or upset someone over a period of time
allergic – adj. having an allergy - a medical condition in which your body reacts badly to something that you eat, breathe or touch
