Volatile: coal in a limited conditions after isolate air heating, which the production rate of volatile organics.

挥发分：煤在限定条件下隔绝空气加热后，所得挥发性有机物质的产率。

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People need to get through the window sunshine and fresh air, and enjoy outdoor scenery, also isolate noise and preserve heat. The subsistence environment of human being is falling into dire straits.

人们需要通过窗户获得阳光和新鲜空气，观赏室外景色，还要求它起到保温、隔热、遮阳、抗风雨、阻挡噪声等作用。

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Well-designed intakes use heat shields to isolate the air filter from the rest of the engine compartment, providing cooler air from the front or side of the engine bay.

使用设计良好的摄入热量盾牌隔离空气滤清器的其他发动机舱，提供冷空气从前面或侧面的发动机湾。

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You'll net the best performance in quieter settings, considering that they don't isolate sound like some other options on the market, and if you're a frequent air traveler or often find yourself working in noisy environments, you'll probably want to consider other options.

ENGADGET: Apple EarPods hands-on Mobile