名词后缀：例如：
①naturalist（自然主义）
Naturalist Eul Gibbons introduced a generation of Americans to the delights of nature and eating naturally.
自然主义者尤尔.吉本斯向美国的'一代人介绍了自然以及自然饮食乐趣。
②optimist（ 乐观主义者;乐天派）
President Ronald Reagan was an etemal optimist whose cheery outlook，eloquently presented，were enough to get him elected twice.
罗纳德.里根总统是一个永远乐观主义者，他雄辩地陈述了自己的美好展望，这足以
③pacifist（和平主义者）
Suddenly,citizens who had been pacifist all their lives were calling for war.一直都是和平主义者的市民突然要求发动战争。