1.oriented a．导向的(intellectually, emotionally, or functionally directed)

例：issue-oriented以议题为导向的

派生词：disoriented(a．迷失方向的)

2.originality n．创意，独创性(the quality of being original)

词根记忆：来自original(a．新颖的，有创意的)

例：Originality is not the only valuable attribute that a work of art can possess.

3.originate v.出现(to appear);开始(to initiate, begin)

词根记忆：来自origin(n.起源，产生)

例：United States automakers will originate net production processes before Japanese automakers do.

派生词：originator(n.创始者)：originality(n.创造性)

4.originator n，发起人(one that creates new things

词根记忆：来自originate(v.起源)

例：The lack of complete historical records from the mid-to-late 1800's has made it difficult to trace some inventions to their Black originators.

5.ornamentation n.装饰物；装饰(decoration)

例：The bowers of one species of bowerbird(园丁鸟)lack the towers and ornamentation.

6.orthodox a．正统的，通常的(traditional and usual)

词根记忆：ortho(正)+dox（观点）--正统观点的--正统的

例：This orthodox view of the universe is now being challenged by those astronomers.

同根词：heterodox(a．异端邪说的)；paradox(n．自相矛盾的话)

7.osmotic a.渗透的，渗透性的(of, relating to, caused by, or having the properties of osmosis)

例：osmotic pressure渗透压（指溶液中的溶质促使水分子通过半透膜从一侧溶液扩散到另一侧溶液的力量）

8.ostentation n.夸示，炫耀(excessive display)

词根记忆：ostent(显现)+ation--显现--炫耀

例：Structural ostentation and luxury were the order of the day.

9.oust v．驱逐，剥夺(to remove from or dispossess of property or position by legal action, by force, or by the compulsion of necessity)；取代(to take the place of)

例：When evidence of financial wrongdoing by an elected official surfaces, it is the electorate who must decide whether the evidence warrants censuring him or ousting him from office.

派生词：ouster(n．驱逐；罢黜)