Unit 5 Languages Around The World 单词全英解析讲义-2022-2023学年高中英语人教版（2019）必修第一册

必修一 Unit5 Language Around The World Billion:Usage: A billion is a large number equal to one thousand million or 1,000,000,000. Example: The company's net worth exceeded two billion dollars last year. Native:Usage: Native refers to something that belongs to a particular place or is inherent to a person by birth or upbringing. Example: She speaks English fluently because it is her native language. Attitude:Usage: Attitude refers to a person's feelings or opinions about something, often influencing their behavior or actions. Example: His positive attitude towards challenges helped him overcome difficult situations. Reference:Usage: A reference is a source of information or citation used to support an argument, claim, or statement. Example: When writing an academic paper, it's essential to provide proper references for all the sources used. Refer / Refer to:Usage: To refer means to mention or direct attention to something or someone. "Refer to" is used when you want someone to look at or consider a specific thing. Example: The teacher referred to a map to explain the geography lesson. System:Usage: A system is a set of connected parts that work together to achieve a specific purpose or function. Example: The solar system consists of the sun, planets, and other celestial bodies. Despite:Usage: Despite is used to show that something happened or is true even though there were other factors that could have affected it. Example: Despite the heavy rain, they managed to complete the marathon. Ups and downs:Usage: Ups and downs refer to the natural fluctuations or changes in a situation, characterized by both good and bad periods. Example: The stock market experiences ups and downs throughout the year. Factor: Usage: A factor is an element or circumstance that contributes to a particular result or outcome. Example: Time management is a critical factor in achieving success. Based / Base:Usage: Based means having a foundation or being established on something specific. Base is