oratory
词根词缀：
adore v. 崇拜；喜爱
ad 加强 + or 嘴；说 + e → 一再说〔喜欢〕→ 崇拜
inexorable adj. 无动于衷的；无情的
in 不 + ex 出 + or 嘴；说 + able 能…的 → 不能说出来的 → 说不动的 → 无动于衷的
oracle n. 神谕
or 嘴；说 + acle 表物 →〔神〕说出的东西 → 神谕
oral adj. 口头的
or 嘴；说 + al …的 → 口头的
orate v. 演说
or 嘴；说 + ate 做，造成，使… → 说话 → 演说
oration n. 演说
orate的名词
orator n. 演说家
or 嘴；说 + ator 表人 → 演说家
oratory n. 小礼拜堂
or 嘴；说 + atory 场所 → 演讲之地 → 小礼拜堂
数据来源：新东方英语词汇速记大全
相关例句：
He displayed determination as well as powerful oratory.
他既展示出震撼人心的雄辩术，又显露了矢志不移的决心。
He roused the troops with his oratory.
他以慷慨激昂的演说唤起了部队的激情。
He dazzled the crowd with his oratory.
他的雄辩口才使听众赞叹不已。
In front of the bed a prie-Dieu, borrowed from the oratory.
床的前面，一张从经堂里搬来的祈祷椅。
Some of his colleagues knew that Winston Churchill had same convictions and ideals in his private life as he espoused with his brilliant oratory in the public life.
丘吉尔的一些同事都知道他在私人生活中仍旧延续着他在面对公众的非凡演讲中所展示的信念与理想。
Winston Churchill even won the Nobel Prize for literature "for his mastery of historical and biographical description as well as for brilliant oratory".
温斯顿邱吉尔（winston churchill）甚至“因为在历史与传记描写上的造诣，以及才华横溢的演讲”而荣获诺贝尔文学奖。