Mrs. Bennet was prevented replying by the entrance of the footman with a note for Miss Bennet;it came from Netherfield, and the servant waited for an answer.
1.prevent [pri’vent]阻止
prevent sb doing sth阻止某人做某事
2.entrance 进入
3.footman [‘fʊtmən]男仆、侍从
4.Netherfield尼日斐庄园(宾利先生)