| 1. | Mercury has a much greater density than water .
水银的密度比水大得多。 |
| 2. | It s because the core s density is lighter than our estimates
核心的密度比我们估计的要低 |
| 3. | The gas is much less dense than either the solid or the liquid
气体的密度比固体和液体要小得多。 |
| 4. | Wood can float on a lake because it ' s not as dense as water
木头因为密度比水还小，所以能浮在湖面上。 |
| 5. | If the density is smaller , the universe will expand forever
若质量密度比临界值少，宇宙便会无休止地膨胀，我们称之为 |
| 6. | The density of living creatures is higher than in any other habitat on earth
河口的生物密度比地球上任何其他栖息地的密度都要大。 |
| 7. | Vapor density ratio
蒸气密度比 |
| 8. | . . . and for some reason , your alloy is far denser than normal . unique
不知道为什么，你的合金密度比正常水平高很多，这是独一无二的 |
| 9. | The subjects ' bone mineral density was lower than that in the general population in both the lumbar spine and femoral neck
这些人腰椎和股骨颈的骨矿质密度比普通人群的要低。 |
| 10. | It is almost one and half times bigger than jupiter - - the largest planet in our solar system . and it is less dense than water
它几乎是我们太阳系最大的木星的1倍半大，它的密度比水还小。 |
