adj.预备的；准备的；初步的
n.预备学校；预科(在美国指为升入大学做准备的学校)
I did preparatory exercises before the race. 我在赛跑前做了准备运动。
There is much preparatory work for us to do. 我们有许多准备工作要做。
We need preparatory training or instruction. 我们需要初步的训练或指导。
用作名词 (n.)Her son is studying in a preparatory school. 她儿子正在一所大学预备学校学习。
Some colleges will give preparatory course for Bachelor's Degree Programs before entrance. 一些大学会在入学前设置本科预科班。
