偶然: accidental; fortuitous; casu ...的: 4次方是 The fourth power of 2 i ...偶然的;偶然;不规则: haphazard非偶然的: planned in advance and done with malicious thoroughness and exactness临时,偶然的: incidental偶然的;伴随的: incidental偶然的;临时的: occasional a偶然的;随便的: casual偶然的变动: fortuitous changes偶然的访客: dropper-in偶然的过客: passage du hazard偶然的幕碑: occasional tombstones偶然的事: contingency; contingent偶然的事情: contingent; happenstance偶然的同一: accidental sameness偶然的相遇: les rendez-vous du hasard偶然的行动: random随便,偶然的: casual意外的,偶然的: accidental不随意的,偶然的: involuntary侥幸,偶然的机会: fluke临时的偶然的: contingent偶然的[间接的]一击。: by-blow偶然的;不定期的: casual偶然的致命伤: occasional fatal trauma