centrist
adj. 持温和政治观点的；主张温和政策的
n. 中立派议员；中间派议员；持温和政治观点者
例句
He had left the movement because it had abandoned its centrist policies.
他离开了这场已放弃其中间派政策的运动。
《柯林斯英汉双解大词典》
Some time later he heard that the ship Beagle was going on a trip to South America and needed a centrist.
过了一段时间，他听说比格尔号轮船要去南美旅行，需要一位中间派。
What is more, some say their centrist role is overstated.
更甚者还认为其中间派角色不值一提。
