Question

CNN英语翻译，外语学习，期望高手帮助指点一下，万分感激，谢谢，希望能够指点一下，我最快的速度采纳

Russian President Dmitry Medvedev has joined American and other European leaders in calling for Moammar Gadhafi to step down from power, a shift that appears to indicate a closing diplomatic window for the longtime Libyan strongman这个句子中， joined American and other European leaders in,我想说的是 joined American and other European leaders in 中JOINE IN 是加入的意思，它与JOIN有什么区别与联系啊，appears to是什么意思啊，请高手指点一下啊，万分感激，我将以最快的速度采纳啊

Answer 1

join sb.加入到某一些人中，eg. Do you like to join us?
join +organization= become a member in the organization 成为某个组织的一院。
join in=take part in+activities参加某个活动
join sb. in sth./doing sth 与某人一起做某事"、"和……在一起
Would you join me in a walk?和我一起去散步好吗？

appears to 是似乎、好像的意思

Answer 2

join in在这里表示结盟，联合在一起的意思，join通常强调加入某一组织。appear to表示seem to似乎，看起来...