Charles and I were closeted in his study for the briefingsession.
查尔斯和我在他的书房里私下开简报会。
《柯林斯英汉双解大词典》
2
It's a fair question, and there's a lot more to the answer than I can usually provide in a short briefingsession.
这是一个好问题，会有比我通常提供的简要会话更多的答案。
3
Each briefingsession is divided into two parts, the first part will be a general introduction to the online material and the second part will be a sharing workshop amongst the participants.