After enough uneventful driving you get the feeling that there is a protective envelope around your car.

有过足够多次安全平静的驾驶经历，你会觉得车周围就像罩着个保护套。

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However, unlike a car that provides a somewhat protective envelope for the driver, motorcycles don't provide the same level of protection.

但是，与一车，为司机提供一定的保护信封，摩托车不提供相同的保护水平。

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The building comprises four inter-connected blocks that sits within a transparent envelope, which acts as a protective cover to control the micro-climate of the project.

项目由四栋高低错落的建筑和其上用于保护并控制建筑内部小气候的透明环保罩组成。

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These stickers, two of which are bundled with the device, lie sealed in a protective envelope -- presumably, to keep them free from outside interference.

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