This material gradually coalesced into lumps called planetesimals as gravity and chance smashed smaller pieces together.
随着重力和机会将较小的碎片粉碎在一起，这种物质逐渐聚集成块状，被称为天体。
2
Chat gravity refers to the DE GREe 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去，还是停下来聊一会儿。
3
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.