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1·We may have been doing him an injustice. This work is good.

我们可能冤枉他了。这工作干得不错。《牛津词典》

2·I have been doing some historical research.

我一直在进行史学研究。《牛津词典》

3·The car must have been doing at least 100 miles an hour.

这车速肯定每小时至少100英里。《牛津词典》

4·Biological systems have been doing this for billions of years.

生物系统亿万年来都在这样做。《柯林斯英汉双解大词典》

5·I have been doing community service work in Oakland for the past several years.

过去几年里我一直在奥克兰做社区服务工作。《柯林斯英汉双解大词典》

6·What does the author say we humans have been doing to chimps?

作者说我们人类对黑猩猩做了什么？

7·That is effectively what humans have been doing to our closest relatives -chimps .

实际上是人类一直也是这么对待近亲黑猩猩的。

8·One of the concrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting native flowers that humming birds feed on.

人们一直以来采取的保护蜂鸟栖息地的具体措施之一是清理受到污染的栖息地，然后重栽蜂鸟赖以生存的花草。

9·We have been doing it for years.

我们多年来一直在做这个。

10·Many have been doing so.

许多新兴市场国家也就是这么做的。