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1·It is said that about 20% of 25- to 34-year-olds live with their parents, compared with 16% in 1991. The total number of all multigenerational households in Britain is thought to be about 1.8 million.

据说，25岁至34岁的人群中，大约20%的人和父母住在一起，而1991年这一比例为16%。据估计，英国多代同堂的家庭总数约为180万户。

2·It will be about fifteen minutes.

大约十五分钟。

3·Life shouldn't just be about grades.

生活不应该仅仅与成绩有关。

4·What should their attitude be about patterns?

他们对于模式的态度应当是什么？

5·What will Science Nation be about? It'll be about science.

《科学国家》是讲什么的？它都是有关科学的。

6·In July, a sister craft of the crashed spaceplane was reported to be about half-finished.

据报道，今年7月，与失事航天飞机同类型的一个飞行器已经完成了大约一半。

7·The great scientific discoveries I am going to make, he went on, will be about Magic.

“我将要作出的重大科学发现，”他继续说，“将是关于魔法的。”

8·I loved animals, so when I saw some books that seemed to be about animals, I started leafing through them.

我喜欢动物，所以当我看到一些似乎是关于动物的书时，我就开始翻阅它们。

9·I judged him to be about forty.

我估计他四十岁左右。《柯林斯英汉双解大词典》

10·I judged him to be about 50.

我估计他年纪在50左右。《牛津词典》