Even a dog knows you can't erase something once its flowed on the Internet.

即使一条狗也知道，你无法铲除互联网上的东西。

youdao

Even a dog knows you can't erase something once it's flowed on the Internet.

即使一条狗也知道，你无法铲除互联网上的东西。

youdao

Mars must have had a thicker atmosphere in order to support water that flowed on the surface even only sometimes.

火星一定有一个较厚的大气层来支持水在它的表演流动，哪怕只是某些时候。

youdao

Mars landers and rovers were designed to look for signs of liquid water that may have flowed on Mars in the distant past.

VOA: special.2010.07.28

Harpers Ferry was built on a narrow finger of land where the Shenandoah River flowed into the Potomac.

VOA: special.2009.06.25

As the river flowed past Vicksburg, it turned in sharply at the base of the cliff and then continued on to the Gulf of Mexico.

VOA: special.2009.11.19

But both discovered suggestive evidence that water might have once flowed on the surface of the planet.

WSJ: NASA's Curiosity Rover Lands on Mars

That could give scientists clues as to how, where and when the water flowed on the ancient surface of Mars.

FORBES: Curiosity Finds Evidence Of Ancient Stream On Mars

The finding upends previous studies, which had estimated that the Red Planet's internal water stores were scanty at best something of a surprise, given that liquid water apparently flowed on the Martian surface long ago.

MSN: Scientists say parts of Mars interior are as wet as Earth's