The Oxford 5000 words
The Oxford 5000 is an expanded core word list for advanced learners of English. As well as the Oxford 3000 core word list, it includes an additional 2,000 words that are aligned to the CEFR, guiding advanced learners at B2-C1 level on the most useful high-level words to learn to expand their vocabulary.
that contains acid or has the essential characteristics of an acid; that has a pH of less than seven
산이 들어 있거나 산의 성질을 띤; pH가 7보다 낮은; 산성의
a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven. The hydrogen can be replaced by a metal to form a salt. Acids usually have a bitter sharp taste and can often burn holes in or damage things they touch.
수소를 포함하고 pH가 7보다 낮은 화학 물질로 보통 액체 상태이다. 수소가 금속으로 치환되면 염이 된다. 대개 쓰고 톡 쏘는 맛이 나며 닿는 것에 구멍을 내거나 손상시키기도 한다. 산.
a person whose job is to manage and organize the public or business affairs of a company or an institution, or a person who works in an office dealing with records, accounts, etc.
회사나 기관의 공적·사업적 업무를 관리하는 사람, 또는 기록이나 회계를 다루는 사무직 종사자; 관리자
Such organizational decisions are made by the hospital administrators.
used to emphasize an adjective or adverb in negative sentences or questions, meaning ‘at all’
used with uncountable or plural nouns in negative sentences and questions, after if or whether, and after some verbs such as prevent, ban, forbid, etc. to refer to an amount or a number of something, however large or small
부정문과 의문문, if나 whether 뒤, prevent, ban, forbid 같은 동사 뒤에서 셀 수 없는 명사나 복수 명사와 함께 쓰여 많고 적음에 상관없이 양이나 수를 가리키는 말; 조금의, 어떤
to tell somebody that something is definitely true or is definitely going to happen, especially when they have doubts about it
특히 상대가 의심하고 있을 때, 무언가가 분명히 사실이거나 분명히 일어날 것이라고 말해 주다; 장담하다
assure somebody (that)…, You think I did it deliberately, but I assure you (that) I did not.
assure somebody (that)…, 내가 일부러 그랬다고 생각하겠지만, 정말 그러지 않았다고 장담한다.
calculated by adding several amounts together, finding a total, and dividing the total by the number of amounts
여러 수를 더해 합계를 구한 뒤 그 개수로 나누어 계산한; 평균의