那辆车把那人来回轧了两次，先是倒着轧的，再是往前开着轧的。The car passed over the body twice, once backward and then forward.直升飞机的探照灯来回扫射这个被封锁的公园。Helicopters with searchlights swept the park which was sealed off.将牙线在齿间来回拉动。Draw the floss backwards a...
Water supplies and other public utilities were badly affected.供水以及其他公用事业受到了严重影响。The Public Utilities Commission inspects us once a year.公共事业委员会每年到我们这里视察一次。the administration of public utilities公共事业的管理...
The striped band round a policeman's sleeve is to signify that he is on duty.警察袖子上的袖标标明他正在执勤.It doesn't signify, so you needn't worry about it.这无所谓, 你不必担心.Do dark clouds signify rain?有乌云是否显示要下雨?...
Deep and large fault system played an important role in lithogeny and metallogenesis.深大断裂在成岩成矿中占重要地位.The metallogenesis is close related with the Caledonian - Indosinian regional metamorphism.加里东期~印支期区域变质作用与成矿密切相关.THE ME...