official - n. a person with power in an organization; a representative of an organization or government; ad. of or about an office; approved by the government or someone in power

often - ad. many times

oil - n. a thick liquid that does not mix with water and that burns easily; a black liquid taken from the ground and used as fuel

old - ad. not young or new; having lived or existed for many years

on - prep. above and held up by; touching the upper surface of ("The book is on the table."); supported by ("He is on his feet."); about ("The report on the meeting is ready."); at the time of ("He left on Wednesday.")

once - ad. one time only

only - ad. being the single one or ones; no more than ("We have only two dollars.")

open - v. to start ("They opened talks."); ad. not closed; not secret

operate - v. to do work or a job; to cut into the body for medical reasons

opinion - n. a belief based on one's own ideas and thinking

oppose - v. to be against; to fight against

opposite - ad. different as possible; completely different from; exactly the other way ("North is the opposite direction from south.")

oppress - v. to make others suffer; to control by the use of unjust and cruel force or power

or - conj. giving another of two choices; giving the last of several choices

orbit - v. to travel in space around a planet or other object; n. the path or way an object travels in space around another object or planet

【英语词汇 VOA 基础词汇手册2】相关文章：

★ 解读小学英语新课标 提高读写教学有效性(一)

★ 英语词汇 核心词汇3

★ 英语词汇 常见电脑英语及其缩写

★ 英语词汇 核心词汇2

★ PEP小学英语课堂教学教学新方法3

★ 小学英语 英语国家常用体态语

★ 英语词汇 单词拼写大全

★ 常见的英语同义词50组(2)

★ 英语词汇 次重点词汇1

★ 学英语怎样才能“事半功倍”?