adj.预备的，准备的，筹备的，初步的adv.在先前，作为准备n.大学预科，私立预科学校...

preparatory的复数形式为：preparatories...

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....

preparatory的音标：preparatory的英式发音音标为：[prɪ'pærətri]preparatory的美式发音音标为：[prɪ'pærətɔri]...

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 ...