美国留学选择什么专业好?留学美国热门专业推荐
2019-06-26
更新时间:2024-03-19 09:49作者:小编
一:double是什么意思?用法、例句的意思:
double是一个英语单词,有多种含义。作为动词时,它的意思是“使成双,加倍”,作为名词时,它的意思是“两倍,双数”。在数学中,double也可以表示“双精度浮点数”。下面将详细介绍double的用法和例句。
double的音标为[dʌbl]。
1. 作为动词,double可以表示“使成双、加倍”。:
- The company plans to double its production next year. (公司计划明年将产量翻一番。)
- She doubled the recipe to serve more guests. (她把食谱加倍以便招待更多客人。)
2. 作为名词,double可以表示“两倍、双数”。:
- The price of the house is double what it was last year. (这所房子的价格是去年的两倍。)
- She scored a double in the game. (她在比赛中得了两分。)
3. 在数学中,double也可以表示“双精度浮点数”,通常用于计算机编程中。:
- This program uses double precision to avoid rounding errors. (这个程序使用双精度来避免舍入误差。)
1. He earns double the salary of his coworker. (他的工资是同事的两倍。)
2. The number of tourists has doubled in the past year. (去年来旅游的人数翻了一番。)
3. The teacher asked the students to double check their answers before handing in the test. (老师要求学生们在交卷前再仔细检查一遍答案。)
4. She was shocked to find out that her favorite store had doubled its prices overnight. (她惊讶地她最喜欢的商店在一夜之间把价格翻了一番。)
5. The company has been doubling its efforts to reduce carbon emissions and protect the environment. (公司一直在加大力度减少碳排放,保护环境。)
1. multiply:作为动词,表示“乘以”,也可作为名词,表示“乘数”。:
- You need to multiply these two numbers to get the answer. (你需要把这两个数字相乘才能得到答案。)
- 2 is a multiple of 4, so it can be divided evenly by 4. (2是4的倍数,所以可以被4整除。)
2. twofold:作为形容词,表示“两倍的”,也可作为副词,表示“两倍地”。:
- He received a twofold increase in his salary this year. (他今年工资增长了两倍。)
- The company's profits have grown twofold in the past year. (公司的利润在过去一年里增长了两倍。)
3. dual:作为形容词,表示“双重的,双的”,也可作为名词,表示“二元性”。:
- The new car has dual airbags for added safety. (这辆新车配备了双气囊以增加安全性。)
- In many cultures, there is a belief in the dual nature of good and evil. (在许多文化中,人们相信善恶有两种本质。)
double是一个常用的英语单词,它可以作为动词和名词使用,表示“使成双、加倍”和“两倍、双数”,在数学中还可以表示“双精度浮点数”。通过阅读本文,你已经了解了double的用法和例句,并且掌握了一些同义词来帮助你更好地理解和使用这个单词。记住,在写作或口语中正确运用double可以使你的表达更加准确、生动。