例句：
We found further scientific evidence for this theory.
我们找到了进一步证实这种理论的科学根据。
All our results are published in scientific journals.
我们所有的结果都发表在科学刊物上。
This country is still trailing badly in scientific research.
这个国家在科研方面仍然大大滞后。
He has turned into a scientist.
他成了科学家。
It's this week's New Scientist, why?
这是本周的《新科学家》，为什么这么问呢？
He became a scientist.
他成为了一个科学家。
