They are talking。他们在谈话。他们没有做作业而是在说话;他们正在谈话。具体侧重点的话,可以看语境。
They are talking他们在聊天双语例句But now they are talking to each other again as if nothing had happened.但现在他们就像什么都没发生过一样,又重新坐到谈判桌前。
They are talking他们正在交谈请采纳