形容詞 influential:

1. having or exercising influence or power

1. An older, influential member of a family, tribe, or community.
   頭人，長(zhǎng)輩在一個(gè)家庭、部落或團(tuán)體里的年長(zhǎng)且有影響力的人
2. German historian whose greatly influential history of Rome(published1811-1832) established the modern scientific study of history.
   尼布爾，雷恩霍德1892－1971美國(guó)神學(xué)家，主張以倫理道德及基督教戒條來(lái)對(duì)抗社會(huì)問(wèn)題
3. He used his influential friends to help him get into the civil service by the back door.
   他利用那些有權(quán)有勢(shì)的朋友幫助他走後門，到政府行政部門任職。
4. Our newspaper is an influential newspaper in this city.
   我們的報(bào)紙?jiān)诒臼杏泻艽笥绊懥Α?/div>

in.flu.en.tial

adj.（形容詞）
Having or exercising influence.
有影響力的：有影響力的或施加影響力的
n.（名詞）
One that is of considerable importance or influence:
有影響力的人物：被認(rèn)為重要的或有影響力的人：
例句：
a select group of media influentials.
一群經(jīng)過(guò)挑選的媒介巨頭

【引伸】
in.fluen.tially
adv.（副詞）