Please check in half an hour prior to departure.(请在起飞前半小时办理登机手续。)
This route would have enabled humans to enter southern areas of the Americas prior to the melting of the continental glaciers.(这条路线将使人类能够在大陆冰川融化之前进入美洲南部地区。)
Prior to the nineteenth century, there were almost no channels of social mobility.(19世纪以前，几乎没有社会流动的渠道。)
Prior to sale, each could be photographed and the list of the purchasers could be maintained on the computer.(在出售之前，每张照片都可以拍下来，买主的名单可以保存在电脑上。)
You can cash cheques here by prior arrangement with the bank.(你事先和银行商妥，就可以在这里兑现支票。)
Prior to assembly, grooves were made in the shelf, base, and sides to accommodate the back panel.(在组装之前，隔板、底座和侧面已开槽以便与背板相嵌。)
Prior to 200 B.C., a number of relatively small centers coexisted in and near the Valley of Mexico.(在公元前200年以前，在墨西哥峡谷内部及周边有很多相对较小的城镇中心共存着。)
It is important to enrich the soil prior to planting.(栽种之前给土壤施肥很重要。)
We were able to reconstruct data about its landscape prior to 1900.(我们能够重建1900年以前的地貌数据。)
The killing of bad mice requires no prior approval.(杀死坏老鼠不需要事先批准。)
