Its informal conversational style would make interaction comfortable, and yet the machine would remain slightly unpredictable and therefore interesting.
出自-2013年6月听力原文
This conversational robot companion has cameras in its eyes, which allow it to track patients and use appropriate facial expressions and body language in its interactions.
2018年12月六级真题(第二套)阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
会话(式)的;谈话的;交谈的
Conversational means relating to, or similar to, casual and informal talk.