I can now recognize what are widely described as the various "colors" of noise: blue noise is a muted, more summery version of white, while brown noise is bassy and deep.

我现在意识到什么是广泛应用与各种“颜色”的声音：忧郁的噪音是沉默的，更多的是夏日白色版本，然而深褐色的噪音是低音加重加深的。

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This hardly ever happens out of the blue: there are usually warning signs such as noise, vibration or heat.

机器是不可能突然故障的：通常机器在故障前会有告警信号，例如噪音、振动或发热。

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Hundreds of birds fly in a sunny blue sky. The only sounds are bird calls and the soft noise made by tall grasses as the water slowly moves them.

无数的鸟在阳光明媚的蓝天中飞翔，这里你只能听到鸟的叫声以及当水流缓慢流经草的时候，这些草所发出的柔和的声音。

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Inside, designers sought to create a comfortable and spacious cockpit with noise-reduction features and a combination of bright accents in Electric Blue and chrome.

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