Before going to the gas station to have his tank filled, John had his emergency brake checked and fixed at the service station near the local cinema.

去加油站把油罐加满之前，约翰在当地电影院附近的服务站检查并修好了他的紧急刹车。

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They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.

它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。

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A pneumatocele is a thin-walled, gas-filled space in the lung.

肺膨出为肺内薄壁的充气气腔。

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He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.

那是个装满了氢原子并含有电极的管子,通过增加一个电压，他让气体燃烧起来了。

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One way to compute its value is to shine light through a gas-filled container.

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Packages covered with a sealed layer of clear plastic are modified-atmosphere packages, which have a gas-filled space inside to help preserve freshness and color.

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Unlike a conventional hot air balloon where the height is controlled by a burner, the gas balloons are filled with hydrogen and controlled by releasing gas to go down and throwing out ballast to go up.

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