KET单词-O、P

ocean

n. 海洋 /ˈəʊʃn/ oceans 固定搭配：in the ocean, ocean pollution 例句：There is a lot of plastic pollution in the ocean.

oil

n. 油 /ɔɪl/ oils 固定搭配：cooking oil, oil painting 例句：She cooked the vegetables in cooking oil.

only

adv./adj. 只有 /ˈəʊnli/ — 固定搭配：only enough, quite only 例句：She is the only child in her family.

office

n. 办公室 /ˈɒfɪs/ offices 固定搭配：office building, in the office 例句：He works in an office building.

of

prep. ...的 /əv/ — 固定搭配：of the, of a 例句：It is of the table.

on

prep. 在...上 /ɒn/ — 固定搭配：on the, on a 例句：It is on the table.