He said in a speech in Washington that America had to "get serious" about a secure and affordable energy future.

他在华盛顿一次演讲中说美国必须“认真思考”一个安全且可负担的能源未来。

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Anonymous Speech has an extremely secure email service that continues to provide outstanding email protection long after the email has been sent or received.

Anonymous Speech有一项极其保密的email服务，能在邮件收发后的很长一段时间内为其提供持续保护。

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Process and analyze speech signal by simulation. Give a method on audio record and compression adapting multi-medium web secure communication, then implement by programming.

对语音信号进行处理和仿真分析，提出了适合多媒体网络保密通信的音频获取和压缩方法，并将其编程实现。

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Obama, meanwhile, signaled disagreement with Republicans over the state of border security, saying in his speech that the Southwest border was more secure than ever.

CNN: 'Now's the time' to move on immigration, Obama says

Mr Brown's speech was not bad, but it was not good enough to secure what he sought.

ECONOMIST: Poor old Gordon Brown. Yet again Tony Blair has upstaged him