Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
formally - adj. made or done in an official and usually public way
jihadist - n. a Muslim who advocates or participates in a jihad
resident - n. someone who lives in a particular place
sever - v. to cut off
site - n. a place that is used for a particular activity
caliphate - n. the land ruled by a caliph (a Muslim political and religious leader)
