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| A: Do you like olives ? 
 B: Yes, especially black ones in salad.
 
 olive n. 橄榄,橄榄树
 
 A: Is that glass clear?
 
 B: No, it is opaque , that is why you are having difficulty seeing through it.
 
 opaque a. 1. 不透明的,不透光的;2. 难理解的,晦涩的
 
 A: Women in the old days were frequently oppressed by their husbands.
 
 B: I am glad that times are changing.
 
 oppress vt. 1. 压迫,压制;2. 使(心情等)沉重,使烦恼
 
 A: You would like the blue car?
 
 B: No, I think I’ll opt for the red one.
 
 opt vt. (for) 选择,挑选
 
 A: The weather will be wonderful tomorrow.
 
 B: You are always filled with optimism .
 
 optimism n. 乐观,乐观主义
 
 A: I study at my optimum between eight and ten in the morning.
 
 B: Oh, I work best in the evenings.
 
 optimum a. 最合适的,最优的,最佳的
 
 A: Where did you get the apples?
 
 B: I picked them in the orchard down the road.
 
 orchard n. 果园
 
 A: I was in a serious car accident last year.
 
 B: That must have been a terrible ordeal .
 
 ordeal n. 苦难经理,折磨,煎熬
 
 A: I love studying science.
 
 B: I orient more towards the Arts.
 
 orient
 
 vt. 1. 使适应,使熟悉情况(或环境等);2. (to ,toward)使朝向,以...为方向(目标)
 
 n. 东方,亚洲(尤指远东),东半球
 
 A: Oriental cuisine is my favourite.
 
 B: Yes, I also love Chinese food.
 
 oriental a. 东方的,东方人的,东方文化的
 
 A: I was unable to find my orientation in the city.
 
 B: You should have carried a map with you.
 
 orientation n. 1. 方向,目标,方位;2. 熟悉情况,适应,情况介绍
 
 A: From where does the guitar originate ?
 
 B: Well, there are many types of guitar, so probably many countries.
 
 originate vi. (in,from,with) 起源于,来自,产生
 
 vt. 创造,创始,开创
 
 A: That is a beautiful ornament beside the TV.
 
 B: Thanks, it was a gift from a friend.
 
 ornament n. 1. 装饰品,点缀品;2. 装饰,点缀
 
 vt. 装饰,点缀,美化
 
 A: I was an orphan until the age of seven.
 
 B: Goodness, do you know what happened to your parents?
 
 orphan n. 孤儿
 
 vt. 使成为孤儿
 
 A: You look very unusual today.
 
 B: Yes, I was tired with the orthodox.
 
 orthodox a. 1. 传统的;2. 正统的,正宗的
 
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