With a word or two of excuse, breaking into something Alice was saying, she rose and went to sit next to Mildred's mother, who had become the nucleus of the cluster.

说了一两句借口，打断了爱丽丝正在说的话，她站起来走到米尔德丽德的母亲旁边坐下，她已经成为这群人的核心。