Unit 5 Words and Expressions 单词讲义-2023-2024学年高中英语人教版（2019）必修第一册

Unit 5 Languages Around The 1. billion num.数词 billion n. 10亿 billions of 几十亿，数以十亿计 million n. 百万 millions of 数百万 hundreds of 成百上千 hundreds of thousands of 数十万的 dozen 一打，十二个 hundred 一百 thousand 一千. million 一百万 billion 十亿 trillion 万亿. 2. native ① n. 本地人；土特产；当地居民pl. natives a native of +地点....的人a native of Beijing ②adj. 本国的，本土的，出生地的 be native to 原产于；源于 native speaker 说母语的人 native language/country/land 母语/祖国/故乡 nation n.国家，民族，国民 national adj.国家的，民族的 nationality n.国籍 3. attitude n.态度，看法 attitude to/towards... 对...的态度看法 take/have a/an..... attitude (to/towards...) （对...)采取.....的态度 take/have a positive/negative attitude (to/towards...)（对...)采取积极/消极的态度 4. refer v.提到,谈到,查阅,参考 1.The scientist referred to global warming 谈到，提及 at least three times in his speach. 2.Refer to a dictionary to check the 查阅，参考 spelling. 3.The world business also refers to an 指的是;把...称作... organizationthat provides goods and services. 查询 refer to — —词典、书籍、参考书 refer to the dictionary look up — — 具体内容 look up the word in the dictionary refer vt.涉及；委托；归诸于；使 … 求助于 ;vi.参考；涉及；提到；查阅 refer-referred-referred-referring refer a friend 介绍朋友，引见朋友 refer to 谈到，提及；查阅，参考； 指的是;把...称作... refer...to.....把....提交给... refer to...as...把...当成...;称...为... reference n. 指称关系,参考 reference books 参考书 5. despite prep. 即使，尽管 despite=in spite of 尽管，即使 即使；尽管 despite prep.介词,常接n/v-ing even if/though,although/though conj.连词,接从句哦 despite ≠even if /though、though、although 6. base 1)n. 底部, 根据，基础，总部，基地 2)vt. 以...为据点,以...为基础 base A on/upon B 把··建立在 ·· 的基础上 be based on/upon以 ··· 为基础/依据 拓展： based adj.以 ··· 为基础的；以 ··· 为重要部分(或特征)的 picture-based basic adj.基本的；基础的 basic skills/principles/rules basically adv.基本地，大体上，从根本上说 basis n.根据，基础 (pl:bases) on the basis of … 以 … 为基础 on a regular basis 定期地，经常地 7.date back (to.)追溯(到 … …) 只用于一般现在时 (1)date back to = date from 追溯到 … … As far as I know. the old town dates from/back to the earlyTang Dynasty. 据我所知，这个古老的城镇可追