beginning

n.开始，开端；起源，起因

befit, befitting, befittingly, befog, before, before long, beforehand, befriend, befuddled, beg, began, beget, beggar, beggar-man, beggarly, beggary, begin, begin to do sth., begin with, beginner, begone, begonia, begorra, begot, begotten, begrudge, begrudgingly, beguile, beguilement, beguiling, beguilingly, begum, begun, behalf, behave, behave oneself, behavior, behaviour, behaviour (US behavior), behavioural (US -oral), behaviourism (US -orism),