parliamentarian

國會議員、議會議員主要用於英國等議會制國家

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

她擔任國會議員將近二十年後才退休。

議事規則專家、議事顧問

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

委員會詢問議事規則專家該動議是否合乎程序。

議會制的、擁護議會的少用

The country gradually adopted a parliamentarian system of government.

該國逐步採行議會制的政府體制。