At least a year's preparatory work will be necessary before building can start.在开始动工之前至少要做一年的准备工作。...preparatory talks for this week's summit in the Maldive Islands.为本周在马尔代夫群岛召开的峰会举行的预备会谈This was where we were ...
She lit the oven, preparatory to putting the pie into it.她把烤箱加热，准备把馅饼放进去。Sloan cleared his throat preparatory to speaking.斯隆清了清嗓子，准备讲话。This was where we were to have our preparatory language courses.这就是我们要上语言预备课的地方....