精选优质文档-倾情为你奉上固定搭配介词+名词A1 (a) round the clock 昼夜不集地2 a variety of 种种,各种3 after a while 过了一会,不久4 as a matter of fact 其实,事实上5 as a result of 由于.结果6 as a result 结果,因此7 as a rule 规章,规则;通常,照例8 as regards 关于,至于9 at (the) best 充其量,至多10 at a loss 困惑,不知所措11 at a time 每次,一次12 at all costs 不惜任何代价13 at all events 无论如何14 at any rate 无论如何,至少15 at first sight 乍一看,初看起来16 at hand 在手边,在附近17 at heart 在内心;实质上18 at home 在家,在国内;自在,自如19 at interval