In a preliminary talk, the teacher introduces them to the material to be covered, but does not "teach" it.

在初步的谈话中，老师向他们介绍要学习的内容，但并没有“教授”。

youdao

This paper talk about the mechanism which lead to memory errors, and how to avoid memory errors occur and do some preliminary exploration to summon witnesses real memory.

本文将对由记忆机制导致的记忆错误做一些初步概述，并对如何避免记忆错误出现和如何唤起证人的真实记忆做一些初步探讨。

youdao

Ignore the talk of preliminary figures and how they compare with this financial quarter or that.

BBC: End to recession gives hope to coalition partners

According to the preliminary program, there's a lecture on Mexican pre-Hispanic civilizations and a talk by Slim himself on the restoration of Mexico City's historical center--for which Slim has been reportedly footing the bill.

FORBES: Secret Meeting Of Latin American Billionaires

You might be expected to talk about the product or service your company produces and the VCs will have some preliminary interest in that, but they will be most interested in the numbers.

FORBES: Life in the 4%, or 10 things I wish I knew when I started raising venture capital