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。
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。
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。
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。
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。
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。
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。
Hardwoods, as their name suggests, tend to be denser and more durable than softwoods.
如名所示，硬木和软木相比密度更大，也更加耐用。
As the crowd starts to get denser, it spontaneously organizes itself into what we call rivers.
但当人群开始变得很拥挤，它就会自发地形成我们所说的人流。
With spectrum tight, big operators say they must build denser networks than they might otherwise.
而由于频谱资源有限，大移动运营商称必须构建更为密集的网络，而他们本来不打算这么做。
In the process they recreated the densest material ever observed - only black holes are denser.
在这个过程中，他们再现了这种迄今所能观测到的密度最大的物质——只有黑洞比它密度更大。
If you prefer a denser view all the time, you can change your density manually in the Settings menu.
若您总是青睐密集的视图，您可以在设置菜单里手动调节密度。
Songbird bones may be hollow, but they're actually denser than the bones of mammals of the same size.
鸣鸟的骨头可能是中空的，但是它们实际上比相同大小的哺乳动物的骨头的密度要大得多。
It also found that "divorcees have denser social networks and are much more likely to remarry other divorcees".
研究还发现离了婚的人有密集的社会关系网络，并且更可能与其他离了婚的人再婚。
I worked my hands over the shorter, denser fur of the animal's legs and ribs, but I couldn't find any broken bones.
我用手摸索着麋鹿腿部和肋骨处又短又密的皮毛，但是找不到任何骨折的地方。
He notes that many species of algae pack a far denser punch energy-wise than the plants now used as energy crops.
他注意到许多种海藻与现在用来作为生物能源作物的植物品种相比，可压榨出能源的浓度要高出许多。
Larger, denser, and with almost twice the surface gravity of Earth's moon, Mercury still looks moon-like at first glance.
水星与地球的卫星月球看上去有些相似，只是它更大，密度更高，表面引力几乎是月球的两倍。
That is why, according to several studies, culture and media clusters tend to be denser than those of any other industry.
一些研究表明，那便是文化与媒体集群会比其它行业更加密集的原因。
Composed of denser cooler gas and dust the tadpoles are around 10 light-years long, potentially sites of ongoing star formation.
蝌蚪是由密集的寒冷的气体和星尘所组成的，大约10光年长，可能存在正在形成的恒星。
We could have lived cheaper or nicer if we were further away from everything, but we chose to be in a denser area, more walkable.
如果我们选择了离这些更远一点的地方，或许可以住得更好更便宜，但我们却还是选择住在更适合于步行的密集区域。
Ultrasound has, of course, long been used in medical imaging. It relies on the fact that sound travels faster through denser tissues.
当然，超声波很早就已用于医疗成像，其应用的依据是声波在密度更大的组织中传播速度更快。
When tides drag the ocean over a shallow barrier such as a ridge on the ocean floor, it creates waves in the lower, denser layer of water.
当潮汐经过像洋盆上的山脊等浅层障碍时，就会在低层密度大的水体里造成波浪。
In the big western European countries and Japan, where public transport is better and population is denser, the figure is a little over 600.
在西欧大一点的国家以及日本，它们的公共交通更好而人口更稠密，这一数字是600多一点。
Its strong radiation has cleared the surrounding region, and some of the next generation of stars are forming in the denser regions around the edge.
它强大的辐射清除了其周围区域，一些下一代星体正在边沿周围密集的区域形成。
Its strong radiation has cleared the surrounding region, and some of the next generation of stars are forming in the denser regions around the edge.
它强大的辐射清除了其周围区域，一些下一代星体正在边沿周围密集的区域形成。
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