Scientists have long believed that Earth's satellite lacks the ability to hold water near its surface because it has no atmosphere.

VOA: special.2009.09.30

because when you're up on that point, you see anything that's in the water, anything close to the surface and,

因为当你站在那里的高处，你能看到贴近水面的一切，而且，

圣莫尼卡之景点 - SpeakingMax英语口语达人

NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.

VOA: special.2009.12.30

NASA scientists hope to extend their search for water as deep as five meters beneath the surface of the moon.

VOA: special.2009.09.30

Professor Roark says knowing the age of the corals might help scientists understand earlier water conditions and ocean surface productivity.

VOA: special.2009.05.12

He points out that even the driest deserts on Earth have more water than the surface of the moon near its poles.

VOA: special.2009.09.30

Water in the sand between the two pots evaporates through the surface of the larger pot, where drier outside air is moving.

VOA: special.2009.02.09

It carried oxygen,water, electricity and food for two men for two days on the moon's surface.

VOA: special.2009.07.22

It shows two ducks that have just been shot by a hunter as they fly above the surface of a wide expanse of water.

VOA: special.2010.07.25

Drop several seeds over the surface of the pot and cover with a thin layer of vermiculite, a substance that can hold air, water and nutrients.

VOA: special.2009.04.21

When she looked out to sea, the surface of the water looked strange.

VOA: special.2009.03.17

This metal surface, placed in contact with the water, will heat the water.

VOA: special.2009.04.20

"Widespread water has been detected on the surface of the moon."

VOA: special.2009.09.30

Better pumps were built to raise the water to the surface.

VOA: special.2010.04.15

Water carries body heat to the surface of the skin.

VOA: special.2010.07.27

The pupas rise to the surface of the water.

VOA: special.2009.05.26

A thin layer of water runs over this surface.

VOA: special.2009.05.06

The very top of the wire drawing represents the only part of the ocean landscape that can be seen on the surface of the water: It is Bouvet Island, one of the most isolated islands in the world.

VOA: special.2009.05.06

They also use radar to help spot oil just below the water's surface.

VOA: standard.2010.07.05

"What we are seeing in Iceland is that as the magma particles get towards the surface, they interact with the very cold water and they chill to form glassy fragments and these glassy fragments are small, they have sharp edges and when those get up in the air that is what is causing the risk to aviation."

VOA: standard.2010.04.15