第二次世界大战期间，钢在低温下的易碎性首次成为人们关注的主要问题。

Steel's fragility at low temperatures first became a major concern during the Second World War.

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但是，可再生能源，尤其是风能和太阳能的价格直线下降，正日益成为人们关注的焦点。

But increasingly the story is about the plummeting prices of renewables, especially wind and solar.

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一只雄性天堂鸟可能会在最佳的场合中展示他华美的羽毛使自己成为关注的焦点，从而吸引雌性。

A male bird of paradise may put himself in the limelight by displaying his spectacular plumage in the best stage setting to attract a female.

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This intensely intimate focus on the human body is out of place in a Christian elegy and this, of course, Milton knows.

这对人类肉体的极端关注在一首基督教悼亡诗中,是不合时宜的，弥尔顿当然知道这点。

耶鲁公开课 - 弥尔顿课程节选

I really care about... it sounds really cheesy, but I would like to live in a better world,

我关注的是……这也许听起来挺华而不实的，但我希望我们的世界更加美好，

为了更美好的世界 - SpeakingMax英语口语达人

But most of the people focused on Palestinian identity, which the conflict maybe covered, or in certain cases, there is.

但大多数人关注的是巴勒斯坦身份，巴以冲突可能包括这个层面，在一些例子中，确实是。

普林斯顿公开课 - 人性课程节选