"But,unfortunately, many have been driven from those lands and they have been dispersed throughout the country, sometimes in distant urban centers.

VOA: standard.2009.03.22

It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.

受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅

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They are diffuse,dispersed,spread out instead of concentrated the way that fossil energy was.

VOA: standard.2010.04.21

But the acquisition of radioactive material for a so-called 'dirty bomb,' which is radioactive material that is dispersed with a conventional explosive device, that is not that challenging.

VOA: standard.2009.05.01

"Out of about two million Armenians that were thought to exist in 1915, probably about a million and a half - at least over a million - perished and others were dispersed.

VOA: standard.2010.03.18

Mr.Clinton urged countries that committed $760 million towards Haiti's rebuilding at an April donors conference in Washington to follow through with their pledges, saying only $21 million has been dispersed so far.

VOA: standard.2009.09.09