plenary

1. ADJ A plenary session or plenary meeting is one that is attended by everyone who has the right to attend. 全體出席的[技術] [ADJ n]

...a plenary session of the Central Committee. …一次中央委員會全會。

2. N-COUNT Plenary is also a noun. 全體會議

There'll be another plenary at the end of the afternoon after the workshop. 傍晚專題討論會后將另有一個全體會議。