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....
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 ...