1. You see, the denser the medium, the faster sound travels.
如你所见，介质越密集，声音传播就越快。
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2. Competition is usually the more severe the denser the population.
通常是人口越密集，竞争越激烈
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3. Late growth wood is denser, less porous.
晚生木材密度大，没有那么多孔。
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4. The denser layers are generally darker than the less dense layers.
较紧密的木层比较疏松的木层颜色更深。
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5. He travelled on and on; but the farther he went, the denser the wood became, apparently.
他走啊走；但他走得越远，树林就显得越密。
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6. As the air space around them is lessened by compaction and melting, the grains become denser.
由于它们周围的空气被压缩、融化而逐渐减少，颗粒变得更加密集了。
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7. Silicates such as mineral quartz drifted downward and mixed with denser materials as they reached Earth's core.
石英等硅酸盐向下漂移，在到达地核时与密度更大的物质混合。
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8. All are slowly moving because the plates float on a denser semi-liquid mantle, the layer between the crust and Earth's core.
所有板块都在缓慢移动，因为它们漂浮在密度更大的半液态地幔上，也就是地壳和地核之间的那一层。
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9. All are slowly moving because the plates float on a denser sem-iliquid mantle, the layer between the crust and Earth's core.
所有板块都在缓慢移动，因为它们漂浮在密度更大的半流体地幔上，也就是地壳和地核之间的那一层。
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10. The oceanic plate is made of denser and heavier rock, so it begins to sink down under the continental plate and into the mantle.
海洋板块是由密度更大、更重的岩石构成的，所以它开始下沉到大陆板块之下，到地幔之中。
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11. An alternative theory is that the sinking part of the plate, which is denser than the hotter surrounding mantle, pulls the rest of the plate after it.
另一种理论是，板块下沉部分的密度大于周围较热的地幔，将板块的其余部分拉在后面。
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12. The very nature of the initial slash-and-burn agriculture encouraged a further dependence on agriculture and the aggregation of people into denser settlements.
最初的刀耕火种式农业的本质鼓励人们进一步依赖农业，并促使人们聚集到人口更密集的居住区。
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13. As the brain attempts to force the unsteady hand to do its bidding, the tension between the two results in a more compressed, psychologically denser expression.
