Please make a short conversation with your new desk mate.

请与你的同桌一起仿照A部分内容编写一个对话。

Thus thinking, I approached the old man and struck up a short conversation with him.

这样想着，我便走近老人，跟他聊起天来。

This does not mean you should deliver only three messages-that would be a very short conversation.

但这并不意味着你只能表述三条信息——那只会变成一个简短的对话。

Make use of some vocabularies and grammars to organize short conversation for the future learning.

【学习目标】能够使用少量的词汇和语法，进行一些简短的日常对话，为以后的学习打下基础。

While not too bad for a short conversation, for something longer, it will be a real performance problem.

虽然对于较短的对话影响不大，但是如果对话很长，性能问题就显现出来了。