加州的一家公司公布了一项解决方案—利用一种雏型能源站，让电动车拿用完的电池交换充饱的电池。

One California company unveiled a solution - a prototype energy station that swaps electric vehicles' empty batteries for fully charged ones.

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我的汽车里的蓄电池今天晚上用完了。

The battery in my car ran down this evening.

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前景是小汽车一般大的着陆器，在电池用完之前它发回了超过90分钟的图片。

In the foreground, sits the car-sized lander that sent back images for more than 90 minutes before running out of battery power.

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