proven

A proven treatment is a face or nose mask connected to a machine that delivers continuous pressurized air to keep the airways open during sleep .

一项被证明的治疗是使用一个脸或鼻的罩与提供持续正压的机器相连来保持呼吸道的畅通。

I take proven methods and personal strategies to help students reach their goals and have the satisfaction of seeing a wonderful score enabling them to take leaps forward in their academic career !

我将使用已经被证明的有效方法和自己的技巧来帮助学生达到他们的目标，使学生们在看到自己能够在学术知识上取得跳跃性进步的分数时感到满足。

The new economic policies could prove suicidal for the party .

新经济政策可能给该党带来灾难性的后果。

The research should prove invaluable in the study of children 's language .

这项调查对于儿童语言的研究将极有价值。

Are you just doing this to prove a point ?

你这么做就是为证明自己对吗？

The new software will prove a boon to Internet users .

这种新软件将会对互联网用户大有益处。

They hope this new evidence will prove her innocence .

他们希望这一新证据能证明她无罪。

He felt he needed to prove his point .

他觉得有必要证明自己的想法是对的。

Making the wrong decision could prove expensive .

错误的决策可能会付出昂贵的代价。

Just give me a chance and I 'll prove it to you .

只要给我个机会，我会证明给你看。

The report is likely to prove highly embarrassing to the government .

这份报告可能会让政府非常尴尬。

He constantly feels he has to prove himself to others .

他时常觉得自己必须向人一展身手。

A good interview enables candidates to prove their worth .

好的面试可以让求职者证明他们的价值。

Buying new furniture may prove too costly .

购买新家具可能会花钱太多。

If she gets ill again it could prove fatal .

如果她再患病，就会有性命之忧。

She would prove him wrong whatever happened .

不论发生的是什么事，她都会证明他是错的。

I can 't prove it ─ you 'll have to take my word for it .

我无法证明此事，你就相信我好了。

She was determined to prove everyone wrong .

她决心证明大家都错了。

This new evidence will prove their innocence .

这一新的证据将证明他们的清白。

He has a proven track record in marketing .

他有可靠的销售业绩记录。

They hope the new drug will prove especially efficacious in the relief of pain .

他们希望这种新药能在缓解疼痛方面产生特效。

It is a proven fact that fluoride strengthens growing teeth .

氟化物可以强化生长中的牙齿，这是已证明的事实。

What are you trying to prove ?

你想证明什么？

These policies are unlikely to prove popular with middle-class voters .

这些政策不大可能博得中产阶级选民的欢心。

We have abundant evidence to prove his guilt .

我们有充分的证据证明他有罪。

This advice was to prove valuable .

这忠告证明是有益的。

I certainly don 't have anything to prove ─ my record speaks for itself .

我当然不用证明什么——我的纪录就可说明一切。

He now has the chance to prove himself in a formidably difficult role .

现在他的任务十分艰巨，有机会证明自己的能力。

It 's impossible to prove .

这件事无法证实。

The prosecution has to prove beyond reasonable doubt that he is guilty of murder .

控方必须毫无疑义地证明他犯有谋杀罪。