about当大约大概用法

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about当大约大概用法
about当大约大概用法

about当大约大概用法
"about" 大约/大概:
1.The interview lasted about an hour.
2.Mary's mother is about 50 years old.
3.He walked into the classroom just about two minutes ago.
4.The restaurant is somewhere about here.
5.The rate of inflation is running at about 7 per cent.
6.The school is about 5 miles away from Shenyang Hospital.
"about" 关于
1.We talked about our plans;
2.What's the book about?
3.My mother knew a lot about Chinese food.