cover one's bases片语KK [ˋkʌvɚ wʌnz ˋbesəz] /ˈkʌvɚ wʌnz ˈbeɪsəz/发音片语1做好万全准备、以防万一、预留退路口语I applied to six schools just to cover my bases.我申请了六所学校,就是为了做好万全准备。2面面俱到、涵盖各方面、考虑周全Her report covers all the bases, from costs to safety.她的报告面面俱到,从成本到安全都谈到了。用这个字练口说→