preparatory例句

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