The only clear explanation is that humans caused the extinction of the various mammal species through excessive hunting.

唯一明确的解释是人类的过度捕猎导致了各种哺乳动物的灭绝。

youdao

The only clear land was land the Indians had cleared for their crops and gardens.

唯一一块空旷的土地就是印第安人清空种上作物和果园的地方。

youdao

They made it clear that they would only exercise passive resistance in the event of a military takeover.

他们声明假若发生军事接管，他们只采取非暴力抵抗行动。

《柯林斯英汉双解大词典》

"It is increasingly clear to this reporter that the only rational way out then will be to negotiate."

VOA: special.2009.08.16

He makes it clear that utility is the only standard of morality, in his view, so he's not challenging Bentham's premise. He's affirming it.

明确指出功利是道德的唯一标准，在他看来，他并没有质疑边沁的前提，而是肯定此观点。

耶鲁公开课 - 公正课程节选

That's what, of course, makes it clear they were royal; by the way, there are only a few of these graves over a large period of time.

这些也说明了墓主人是王室,顺带一提,在很长一段历史时期,这样的墓穴寥寥无几

耶鲁公开课 - 古希腊历史简介课程节选

For now, however, the only clear outcome is that the Democrats' problems have got worse.

ECONOMIST: The Indiana senator��s decision is a blow to Barack Obama

As usual, the only clear policy statements came from marginal candidates from fringe parties.

FORBES: Elections, Nuclear Energy, and the U.S. Security Alliance

Hill produced the only clear overtaking manoeuvre of the day when he slipped by Rubens Barrichello.

BBC: Hakkinen leads McLarens home