Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
feasible – adj. possible to do
convert – v. to change (something) into a different form or so that it can be used in a different way
urine – n. waste liquid that collects in the bladder before leaving the body
doctorate – n. the highest degree given by a university
endeavor – n. a serious effort or attempt
