学习英语单词：什么是聊天重力？

　　聊天重力是什么呢？您听说过吗？学习英语单词就来简要了解一下这个词汇。英文版解释为：

　　Chat gravity refers to the degree of familiarity with another person, which, if you chance to encounter them on the street, will determine if you merely greet them in passing or stop to talk.

　　聊天重力指你跟另一个人的熟悉程度决定了你们在街头偶遇的时候是只打个招呼就过，还是停下来聊一会儿。

　　学习英语单词例句：

　　We saw each other on the sidewalk and said 'hello' to each other. But she was just a friend of a friend I'd only met once or twice before, and there wasn't enough chat gravity to merit stopping and chatting.

　　咱们在路边相遇，彼此打了个招呼。不过，她只是我一个友人的友人，咱们也只见过一两次面，所以也就不足够的聊天重力让我停下来跟她攀谈了。