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1·In 2009, scientists made a great discovery.

2009年，科学家们有了一个伟大的发现。

2·It's a great discovery for lunar scientists.

对月球科学家而言，这可是个大发现。

3·There we all were tired and hungry, and then we made the great discovery.

在那里我们都又累又饿，然后我们有了重大发现。

4·There we all were, tired and hungry, and then we made the great discovery.

在那里我们都又累又饿，然后我们有了重大发现。

5·So the great discovery began.

于是伟大的发现开始了。

6·It was acclaimed as a great discovery.

那被赞誉为伟大的发现。

7·He made this great discovery by chance.

他是偶然做出这个重大发现的。

8·I congratulate you on your great discovery.

我祝贺你的伟大发现。

9·That scientist made a great discovery last year.

这位科学家去年取得了一项重大发现。

10·The prize is to honor him for his great discovery.

奖品是为了表彰他的重大发现。