1. The first plenary session of the Teheran Conference convened in the conference room at the Soviet Embassy at 4 p.m.
    德黑兰会议的第一次全体会议于下午4时在苏联使馆的会议室召开。

2. At the second plenary meeting, there was a real question whether the conference was going to be a success.
    在第二次全体会议上，有一个确实关系到此次会议是否会成功的问题。