问题描述：
as being 这是什么用法?
On Tuesday, Premier Wen Jiabao sent a congratulatory message to Abe on his inauguration as prime minister and described China-Japan relations as being in an "important historical period."
On Tuesday, Premier Wen Jiabao sent a congratulatory message to Abe on his inauguration as prime minister and described China-Japan relations as being in an "important historical period."
问题解答：
我来补答展开全文阅读