B2 willing to talk to people and give them information健谈的;乐意提供信息的
He was in a bad mood at breakfast and wasn't very communicative.吃早饭的时候他情绪不好,不怎么讲话。
relating to communication交际的,表达的,沟通的
The communicative ability of the whale is thought to be highly developed.鲸被认为具有高度发达的交际能力。