This plate is growing on both sides, and since there is no intermediate trench, the two ridges must be moving apart.

这个板块是在两边生长的，由于没有中间的沟槽，两个脊必然是分开的。

During the second rainy period, the dunes were kind of chopped up at the top, full of hollows and ridges, and these hollows would've captured the rain right there on the top.

在第二次雨季，沙丘的顶部被砍伐了，到处都是凹洞和山脊，这些凹洞正好在顶部吸收了雨水。

The ridges on the soles of my boots stopped me from slipping.

我靴子底上有隆起的纹路，使我没有滑倒。

In other cases, the finer particles may be removed, while the sand-sized particles are accumulated to form mobile hills or ridges of sand.

在其他情况下，较细的颗粒可能被除去，而沙粒大小的颗粒堆积起来形成移动的山丘或沙脊。

This is particularly true for trees in the middle and upper latitudes, which tend to attain greater heights on ridges, whereas in the tropics the trees reach their greater heights in the valleys.

这种情况在中高纬度地区的树木中尤其常见，这些树木往往在山脊上长得更高；而热带地区的树木则往往在山谷中会长得更高。

Vertical ridges on the nail mean a possible iron deficiency.

指甲上的垂脊意味着可能缺铁

Or do you see ridges, dents, or areas of unusual color or shape?

还是看到纹状突起、凹陷或是有异常颜色和形状的区域？

And, like a real gecko, its toes are covered with suitable ridges.

同时，它的脚趾也象壁虎那样布满了隆沟。

Sharp-crested ridges are separated by wide, low valleys in this region.

锋利的山脊被当地宽而浅的山谷分割开。

The boulders perched on ridges are eroding out of densely fractured bedrock.

大石块位于地表脊状突起上，因侵蚀作用而出现密集的基底断裂。

Another big plus is that the ridges can collect drinking water when it rains.

另外一个特点是其上面的皱褶可在下雨时收集雨水。

The whorls and ridges on your fingertips can identify you based on what you touch.

指尖上的螺纹和脊状纹路可以根据您触摸的物体来识别您。

Ridges of peat and pools of dark, acidic water form a patterned peatland near Moon Point.

月亮峰附近，隆起的泥炭和黑色水潭、酸性水形成有图案的泥炭地。

Perhaps icy material from the rings fell onto them, piling up near the equator to form the ridges.

也许是土星环上的结冰物质落在了卫星上，在它们的赤道附近堆积了起来造成了隆起。

Much of the activity between the continental shelves takes place deep underwater at the mid-ocean ridges.

大部分的大陆架的活动发生在深水下的大洋洋底的海脊。

The speckle is a scattering of light caused by micron-sized ridges and groves on an object’s surface.

这种散斑来源于光散射效应在物体表面产生的微米大小的隆起和沟痕。

The speckle is a scattering of light caused by micron-sized ridges and groves on an object's surface.

这种散斑来源于光散射效应在物体表面产生的微米大小的隆起和沟痕。

Fields and pastures are light green, in contrast to dark green forest that covers the high-elevation ridges.

农田和牧场为浅绿色部分；而森林覆盖着海拔较高的山脊，这些地方是深绿色的。

Surrounded by desert ridges interspersed with lush oases, the Dead Sea presents a visually stunning tableau.

周围是沙漠的山脊，点缀着郁郁葱葱的绿洲，从视觉来说，死海景象极为壮观。

But some people don't develop unique dermal ridges on their fingers, and thus, do not have fingerprints.

但是有些人不会在他们的指头上生长出唯一的皮肤皱纹，因而，他们没有指纹。

That extra thermal energy gives the ocean plates more buoyancy as they move farther away from the ridges.

海底板块移动得离中部山脊越远，额外的热能给予板块的浮力就越大。

MESSENGER science team members will also be studying the shallow ridges that crisscross Machaut's floor.

“信使号”科学团队也将对这些交错地表的沟槽进行研究。

Above: Salivary lips showing parallel ridges of inner surface of lower lip, last larval instar of Osmia chalybea.

上图：壁蜂老熟幼虫下唇内表面的平行纹

The resulting image highlights the bright swept-back ridges that outline pockets of cool interstellar dust and gas.

得出的图片突出显示了星际尘埃和气体群的轮廓所形成的明亮的后掠式突起。

The valleys are thickly forested, but the upper slopes become open woodland and many of the peaks and ridges are treeless.

山谷被茂密的森林覆盖，但上层的斜坡上是比较开阔的树木林地，并且很多山顶和山脊上都是没有树木的。

The islands of Japan are actually the exposed tops of huge undersea ridges. These ridges rise up out of the Pacific Ocean.

日本的岛屿实际上是太平洋海底升起的巨大山脊所露出的顶部。

Two hundred miles east of Ashkhabad, where the soil shelved into ridges of scrub-speckled sand, a harsh wind sprang up.

在阿什哈巴德以东200英里处，土地变成了长有稀松灌木的梯形沙地，狂风即时而起。

When light hits a finger, the ridges of the fingerprint reflect one polarization of light, while the valleys reflect another.

当偏振光投射到手指上时，指纹的脊线将反射了光的一个偏振态，同时脊谷反射另一个偏振态。

Like brush strokes on a canvas, ridges of color seem to flow across the Lagoon Nebula, a canvas nearly 3 light-years wide.

就如同画布上的笔触，浓重的色带流过泻湖星云，而这张画布几乎有3光年宽。