用英语解释communication大学英语 传播学 用英语解释名词communication用英语解释名词sleep effect

1. the activity or process of expressing ideas and feelingsor of giving people invitation

2. 抱歉，我查了牛津英汉字典都没有的
   

communication：
Communication is the activity of conveying information through the exchange of ideas,feelings,intentions,attitudes,expectations,perceptions or commands,as by speech,gestures,writings,behaviour and possibly by other means such as electromagnetic,chemical or physical phenomena.
sleep effect：
When people are normally exposed to a highly persuasive message (such as an engaging or persuasive television ad),their attitudes toward the advocacy of the message display a significant increase.