If there's smoke in the cabin, get low and crawl below the level of the smoke and toxic fumes, so you can breathe until you get out of the plane.

如果机舱里有烟雾，把身体放低到烟雾与有毒气体的下面爬行，这样你能在你离开飞机前保持呼吸。

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If you're in a house, get as low as you can and crawl outside as fast as possible.

如果你被困于一所房子里，尽可能的离地面近些，然后尽快匍匐前进爬出去。

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The ceiling was so low that we had to crawl.

天花板太低了，我们只好匍匐前进。

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Despite the difficult economic environment for retailers (See: "Retailers Crawl Into New Year"), the company said low prices and strong international sales drove the quarter's results.

FORBES: Magazine Article

And you only have to look under the hood or crawl beneath the car to see a technological nightmare: A low-compression flathead V-8, cloth wrapped wires, a crude carburetor, leaf springs and no shocks, big mechanical brakes that were about as useful as an anchor, and a differential the size of a melon, to appreciate that this car was a polluting, rattling, death trap.

FORBES: The Coupe Coup