Scientists transmuted matter into pure energy and exploded the first atomic bomb.

科学家们使物质转化为纯能量，爆破了第一枚原子弹。

《柯林斯英汉双解大词典》

The first is that no matter how many women may be getting college degrees, the university experience is still an unequal one.

首先，不管有多少女性获得了大学学位，大学经历仍然是不平等的。

youdao

Can you tell us how you first became interested in the subject matter?

你能告诉我们你是如何开始对这个主题感兴趣的吗？

youdao

It was the sequel, funnier than the first one,matter of fact." "So are you more a comedy fan."

VOA: special.2011.06.20

Now the subject matter that he's chosen for this poem, for this so-called first poem, couldn't possibly be more appropriate.

现在他选这首诗的主题很重要，这所谓第一首诗可能不太恰当。

耶鲁公开课 - 弥尔顿课程节选

I don't see the need why people need to go to college first or for that matter even go to law school.

我认为没有必要先上本科，然后再上法学院，甚至没必要上法学院。

想成为律师的话 - SpeakingMax英语口语达人

The first is the matter of countries with questionable, possibly hostile, dispositions towards the United States and the West staking out enormous positions in strategic U.S. industries, with numerous non-transparent repercussions.

CENTERFORSECURITYPOLICY: Islamofascism through the financial backdoor

Does the battery life on the first device actually matter, given that the upcoming public release of Google Glass is to all intents and purposes a very big beta test with the public?

FORBES: Google Glass' Battery Life Could Be The Deciding Factor For The Public

' If I don't solve the problems first, no matter how pretty the fabrics are, the job isn't a success.

WSJ: All The Pretty Houses