Unlike the fuselage, it's made from metal for flexibility to provide a more comfortable rough-air ride.

与机身不同，它采用了全金属设计，以提供更高的挠度，适应在气流不平稳的大气环境中飞行。

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As the air descends in to the low point of the atmospheric wave, it touches the ocean surface, causing rough waters, visible here as long, dark vertical lines.

在空气下降到大气波的低点时，与海洋的表面相接触，形成了像漫长、黑暗垂直线条那样，明显的惊涛骇浪。

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When traveling by plane, we often stay strapped in for the whole flight, in case of unexpected rough air.

航空旅行时，我们通常在整个旅程中都系着安全带，以防遇到意外的恶劣气候。

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The brown, rough-textured walls of the grand open-air lounge and dining area contain built-in shelves that display sculpture, porcelains, paintings and other art objects.

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Every high-flying market is bound to find patches of rough air, and the charts show a potential decline is in store.

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