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1·Is there life on Mars?

火星上有生命吗？《柯林斯英汉双解大词典》

2·Today they are still not sure if there was life on Mars.

今天他们仍然不确定火星上是否有生命。

3·A long time ago it was widely believed that there was life on Mars.

很久以前，人们普遍认为火星上有生命。

4·10 years later, some scientists still didn't accept that there was life on Mars.

10年后，一些科学家仍然不接受火星上有生命的说法。

5·People may not be sure about life on Mars until a sample of life is brought back.

人们可能不确定火星上是否有生命，直到一个生命样本被带了回来。

6·There might have been life on Mars.

火星上可能已经有生命了。

7·Life on Mars will life on Earth.

火星上的生活将比地球上的生活好。

8·Wired: What would life on Mars be like?

连线杂志：在火星上的生活会是怎样的呢？

9·Life on Mars is interesting, isn't it?

火星上的生活是有趣的，不是吗？ ？

10·Scientists assume there is no animal life on Mars.

科学家们假定火星上没有生命存在。