A: Do you like olives ?

B: Yes, especially black ones in salad.

olive?n.?橄欖，橄欖樹

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. 難理解的，晦澀的

A: Women in the old days were frequently oppressed by their husbands.

B: I am glad that times are changing.

oppress?vt. 1.?壓迫，壓制；2. 使（心情等）沉重，使煩惱

A: You would like the blue car?

B: No, I think I’ll opt for the red one.

opt?vt. (for)?選擇，挑選

A: The weather will be wonderful tomorrow.

B: You are always filled with optimism .

optimism?n.?樂觀，樂觀主義

A: I study at my optimum between eight and ten in the morning.

B: Oh, I work best in the evenings.

optimum?a.?最合適的，最優(yōu)的，最佳的

A: Where did you get the apples?

B: I picked them in the orchard down the road.

orchard?n.?果園

A: I was in a serious car accident last year.

B: That must have been a terrible ordeal .

ordeal?n.?苦難經(jīng)理，折磨，煎熬

A: I love studying science.

B: I orient more towards the Arts.

orient

vt. 1.?使適應(yīng)，使熟悉情況（或環(huán)境等）；2. （to ,toward）使朝向，以．．．為方向（目標(biāo)）

n.?東方，亞洲（尤指遠(yuǎn)東），東半球

A: Oriental cuisine is my favourite.

B: Yes, I also love Chinese food.

oriental?a. 東方的，東方人的，東方文化的

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，目標(biāo)，方位；2. 熟悉情況，適應(yīng)，情況介紹

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，來自，產(chǎn)生

vt.?創(chuàng)造，創(chuàng)始，開創(chuàng)

A: That is a beautiful ornament beside the TV.

B: Thanks, it was a gift from a friend.

ornament?n. 1.?裝飾品，點(diǎn)綴品；2. 裝飾，點(diǎn)綴

vt.?裝飾，點(diǎn)綴，美化

A: I was an orphan until the age of seven.

B: Goodness, do you know what happened to your parents?

orphan?n.?孤兒

vt.?使成為孤兒

A: You look very unusual today.

B: Yes, I was tired with the orthodox.

orthodox?a. 1.?傳統(tǒng)的；2. 正統(tǒng)的，正宗的