On the large paper surfaces he pieced together, he drew pictures using colors he made from crushed pencils and crayons.

VOA: special.2010.04.14

I know table salt is white, but that is because you have power and you have multiple surfaces scattering, but a large crystal of sodium chloride is clear and colorless.

我知道食用盐是白色的，但这是因为你让它成了粉末,因为有了多个散射面，但是一个大的氯化钠晶体,是无色透明的。

麻省理工公开课 - 固态化学导论课程节选

So, it surfaces the product.

产品就这样展示出来了。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Studies have discovered evidence of harmful bacteria in toilets,on surfaces where food is prepared, even on home telephones.

VOA: special.2009.10.13

A second competition involved building a robot that could travel on uneven surfaces, move objects with unusual shapes and withstand physical stress.

VOA: special.2009.04.24

Research published mainly in nineteen seventy-three had found proteins on the surfaces of nerve cells in the brain.

VOA: special.2010.05.04

Nearby,many shelf surfaces hold recently made prints so that they can dry before other colors are added.

VOA: special.2009.09.02

For the first row nearest the fans, they generally suggested trees that lose their leaves in the fall or trees with waxy leaf surfaces.

VOA: special.2009.09.08

Black-painted surfaces that receive the sun's heat become hotter than surfaces of any other color.

VOA: special.2009.04.20

Or when babies put their mouth on painted surfaces or swallow pieces of paint.

VOA: special.2009.08.31

Unlike kilims, these "pile" carpets are not flat, they are deep and soft because their surfaces are covered with the ends of thousands of pieces of yarn.

VOA: special.2009.11.04

They compared the effects of black surfaces on rooftops with white roofs.

VOA: special.2010.03.02

International law bars any nation or state from claiming lunar surfaces.

VOA: special.2010.03.02

Snow crystals have many surfaces to reflect sunlight.

VOA: special.2010.01.05

Graffiti is writing messages on outdoor surfaces.

VOA: special.2009.10.14

President Obama said the U.S.government must be able to act decisively when information surfaces about a potential threat.

VOA: standard.2009.11.16

The disease causes cartilage- protecting joint surfaces to degrade, allowing painful bone-to-bone contact.

VOA: standard.2010.08.11

"The field is terrible, and FIFA should not allow artificial surfaces.

VOA: standard.2009.06.07

Their surfaces undulate to simulate Canada's terrain.

VOA: standard.2010.02.16