ad hoc
1.ADJ 形容词（形势所需而）临时安排的，特别的，专门的 An ad hoc activity or organization is done or formed only because a situation has made it necessary and is not planned in advance.
【搭配模式】：usu ADJ n
The Council meets on an ad hoc basis to discuss problems.
议会临时安排会议讨论问题。
...ad hoc committees to examine specific problems.
研究具体问题的专门委员会
