As these crystals flutter to the ground, much time is spent with their faces flat, parallel to the ground.
这些冰晶缓缓地飘向地面，大多数时候是面向地面并与地面平行的。
You can build the enclosure on the ground and hoist it and the glass up separately if you have a flat roof.
如果你的屋顶是平的，可以先在地面把箱体装好，然后分别把箱体还有玻璃吊上屋顶。
Solar halos are also caused by small, flat, six-sided, ice crystals that float down parallel to the ground.
太阳光环也是由微小、扁平、六面形的冰晶在同地面平行地飘落所引起的。
When placed on the ground, baits should be situated on small paper cards or other flat, light-colored surfaces, or in test-tubes or vials.
诱饵放在地上时，应放在小纸卡上或其它平坦的浅色表面上，或放在试管或小瓶子里。
"Getting on your hands and knees, or going flat on the ground and crawling your way across, is how you find small-mammal fossils, " Rougier said. "It is not very glamorous.
“要找小型哺乳动物化石，就得手脚并用跪在地上，或者直接趴在地上爬着走，”鲁吉尔说，“不怎么体面的，一整天基本就在土里滚。”
Lying face flat on the ground may not be the world'smost glamorous pose, but the two have made a name for themselves on the Internet — and hope touse the craze to spread positive social messages.
脸朝下横趴在地上可能不是世界上最炫的姿式，但她俩却在互联网上迅速暴红，同时希望用这种疯狂的方式传播正面的社会信息。
One of the few Echeverias growing in arid conditions on flat ground. It is difficult to maintain in cultivation.
此种生长在近乎干旱的平地上，这在石莲中不太常见。在园艺条件下营造类似生长环境不太容易。
For the ground floor, the flat concrete roof has a layer of gravel to prevent heat from entering the building.
对于一层来说，混凝土平屋顶有砾石层防止热量进入建筑。
Topped with a large, flat roof, the rectilinear dwelling has an upper level that cantilevers over the ground floor.
顶部有一个巨大的平屋顶，线型住宅的上层悬挑在底层上面。
On the left bank, the ground, which was flat and marshy, rose imperceptibly towards the interior.
河的左岸平坦而多沼泽，渐渐地向内陆平缓地高升上去。
ANVIL: a small piece of ground and lapped steel attached to the frame of a micrometer; serves as a flat, fixed point from which measurements can be taken.
铁砧：一小块经过研磨和抛光的铁块，附于千分尺上面作为平直固定的测量参考点。
The finlike towers folded inward, almost flat against the ground.
鳍状的塔向内折叠，几乎跟地面一样平了。
He had not gone many steps before he stumbled on the uneven ground and fell flat on his face.
他在那高低不平的地面上才走了几步，就被绊了一下，直挺挺地跌趴在地上。
The ground floor may change from home office to granny flat and back again in cycles of twenty years.
地面层也许会由办公室改成祖母的公寓，并以二十年一个循环再次改回原状。
I kept Logan at the periphery of vision, but even so, I knew he was not flat on the ground.
我将洛根放在视线边缘，但即便如此，我也能看到，他并非平躺在地上。
Engineers designing the world's fastest car believe they now have a solution to keep the vehicle flat on the ground.
世界上最快的汽车的设计工程师确信他们已经找到使车辆与地面持平的解决方法。
The terrain where Phoenix set its three legs is relatively flat with polygon-shaped patterns in the ground likely caused by the expansion and contraction of underground ice.
菲尼克斯放置三个支架的地形相对来说比较平坦，地面上多角形图案看起来好像是由于地下永冻土的扩张和收缩形成的。
Air resistance causes these crystals to lie nearly flat much of the time as they flutter to the ground.
在这些冰晶飘落到地面的过程中，空气的阻力使得它们大部分时间保持近似扁平状。
This paper introduces the design of light-duty roof caving coal hydraulic support equipped with flat tramcar and transportation on ground and under ground.
介绍轻型放顶煤液压支架(下文简称轻放支架)配套平板车的设计过程及轻放支架在煤矿地面、井下的运输过程。
Uphill running forces you to drive your arms harder than you do when running on flat ground, so you'll improve your upper body strength.
使您的上身有劲：跑坡道迫使您摆臂比跑平地时更加用力，因此，您的上身力量可以提高。
Skate up to it with a moderate speed and spin around just like you did on flat ground.
以中等速度滑行上去，然后像在平地那样旋转。
Sharp turning on flat ground and turning on slopes for oil tank truck are dangerous cases which can easily result in overturning.
油罐车平地急转弯和坡上转弯是容易引起横向翻倾的危险工况。
By the biomechanical measurement, the authors analyze the footwork of 50 healthy old men and women over the age of 60. The footwork is conducted on the flat ground with normal speed.
采用生物力学测试方法，对50例60岁以上的健康男女老年人，进行平地常速的步态分析。
The moon was shining brightly on the great stones, and between them, on the flat ground, lay the girl.
月光明朗地照在这两根大石柱上，而那位少女就躺在它们之间的平地上。
They lived in a suite of rooms with a garden, rather like a ground-floor flat.
他们住的地方是带有花园的套间，看着很像是一个底层公寓。
They lived in a suite of rooms with a garden, rather like a ground-floor flat.
他们住的地方是带有花园的套间，看着很像是一个底层公寓。
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