It was an old spring-wagon, with a round canvas top on it like the cover of a prairie schooner.

那是一辆老式的带弹簧的四轮马车，上面的帆布圆顶子象是拓荒者用的大篷车的顶篷。

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The canvas top provides protection from the sun and wind, but it will not be too hot inside in the summer.

帆布顶能遮阳挡风雨，并且即使夏天里面也不会太热。

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Since the baseline was 50 pixels below the top of the original canvas, this means the baseline is actually 27 pixels (50 minus 23) below the top of the text, leaving 9 pixels for descenders.

由于基线位于原始画布顶端下方50像素处，这意味着基线实际上距离文本顶端27像素(50减去23)，为下行线留出了9个像素。

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It was supposed to be a convertible, but the concertina metal bits that supported the canvas top were too rusted to fold back.

NEWYORKER: Hand on the Shoulder

The Vuitton family has quite a history: Company founder Louis was the first modern trunk-maker to make trunks flat on top (the better for stacking) and lighter (thanks to canvas sides) than the traditional stagecoach trunk.

FORBES: Inside the Louis Vuitton Special-Order Workshop