parliamentarian

国会议员、议会议员主要用于英国等议会制国家

She served as a parliamentarian for nearly twenty years before retiring.

她担任国会议员将近二十年后才退休。

议事规则专家、议事顾问

The committee asked the parliamentarian whether the motion was in order.

委员会询问议事规则专家该动议是否合乎程序。

议会制的、拥护议会的少用

The country gradually adopted a parliamentarian system of government.

该国逐步采行议会制的政府体制。