近义词解析:大约的同义词
📚 主要近义词
1. approximately (adv.) 大约,近似
The project will cost approximately $10,000.
这个项目大约需要1万美元。
这个项目大约需要1万美元。
2. roughly (adv.) 粗略地,大致
The meeting lasted roughly two hours.
会议大约持续了两小时。
会议大约持续了两小时。
3. about (adv.) 大约,左右
There were about 50 people at the party.
派对上大约有50人。
派对上大约有50人。
4. around (adv.) 大约,差不多
I'll be there around 3 o'clock.
我大约3点到那里。
我大约3点到那里。
💡 顾老师提示:"approximately"最正式,"roughly"表示不太精确,"about"和"around"最口语化。数字前多用"approximately"或"about"。
🔊 发音指导
approximately:/əˈprɒksɪmətli/ [əˈprɒksɪmətli]
roughly:/ˈrʌfli/ [ˈrʌfli]
about:/əˈbaʊt/ [əˈbaʊt]
around:/əˈraʊnd/ [əˈraʊnd]
发音要点:
- "approximately"重音在第二个音节,注意"prox"的发音
- "roughly"中的"ough"发/ʌf/音
- "about"和"around"都以弱读的/ə/开头
- "about"和"around"的结尾/t/和/d/要轻
中文谐音参考:
approximately:呃-普绕克-西-么特-里
roughly:拉夫-里
about:呃-抱特
around:呃-绕恩的
💡 顾老师纠音:常见发音错误:
- 错误1:把"approximately"读成"approximate-ly"(正确:[əˈprɒksɪmətli])
- 错误2:"roughly"中的"gh"不发音
- 错误3:"about"和"around"的第一个音节读得太重
🎯 用法区别
1. approximately → 正式场合,精确估算
The temperature is approximately 25°C.
温度大约是25摄氏度。
温度大约是25摄氏度。
2. roughly → 非正式,不太精确的估计
It's roughly 5 kilometers to the station.
到车站大约5公里。
到车站大约5公里。
3. about/around → 日常口语,时间或数量
Let's meet around noon.
我们大约中午见。
我们大约中午见。
使用注意:
- 学术写作首选"approximately"
- "roughly"常与"speaking"连用:roughly speaking
- "about"不可用于句首表示"关于"
- "around"还可表示"在...周围"
📝 随堂练习
1. 选择合适的词填空:
"The population of the city is ______ 2 million." (approximately/about/roughly)
2. 听录音跟读:
[əˈprɒksɪmətli] → The flight takes approximately 10 hours.
[ˈrʌfli] → Roughly half of the students passed.
3. 改错:找出使用不当的词
原句:Around my opinion, we should leave now.(错误:"around"不能表示"关于")
修改:In my opinion, we should leave now.