协调飞机在地面上的交通和掌控空中交通一样复杂。
Coordinating airline traffic on the ground is as complicated as managing the traffic in the air.
在地面上看不见的图案可能是空中照片中最为醒目的部分。
Patterns that are invisible on the ground can be the most striking part of an aerial photograph.
由于天气恶劣，飞机在地面上又停留了两个多小时。
The plane remained on the ground for two more hours because of the bad weather.
从太空中，它们可以分辨出你在地面上的位置，误差不超过10米。
From space, they can tell where you are on the ground, with a difference of no more than 10 meters.
为了确保他们不跑步，竞走运动员必须保持有一只脚在地面上。
To make sure that they do not run, race walkers must have one foot on the ground at all times.
当植物在地面上生长时，它们的茎生长得方向与重力相反（重力是让你的脚留在地面上的力量），因此它们总是向上生长。
When plants shoot on the earth, their stems grow away from the gravity (the force that keeps your feet on the ground), and so they always shoot upwards.
在地面上，门口很小，但里面，建筑很大。
Above the ground, the doorway is small, but inside, the building is huge.
低耕农业在地面上留下许多或全部土壤，以及植物残体。
Low Till Agriculture leaves much or all the soil and remains of plants on the ground.
一束束光线透过树丛照射下来，在地面上形成了大小不一的斑点。
Rays of light filtered through the trees, forming spots of varying sizes on the ground.
那就解释了为什么最小型的食草动物，汤普森瞪羚，能以水果为食；虽然水果非常有营养，但是在地面上太稀少，不足以维持体型更大的动物生存。
That is why the smallest of the herbivores, Thomson's gazelle, lives on fruit that is very nutritious but too thin on the ground to support a larger animal.
我们在地面上的速度只有区区的2.2节。
直到上周，我才在地面上游览它们。
在我们上面，在地面上，同样的事情发生了。
爸爸不喜欢高处，所以他呆在塔的底部，在地面上拍照。
Dad doesn't like heights, so he stayed at the bottom of the tower and took pictures from the ground.
陷阱可以是任何放置在地面上的小容器，其顶部与周围的表面齐平，并装满防腐剂。
A pitfall trap can be any small container placed in the ground with the top level with the surrounding surface and filled with a preservative.
对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。
Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.
那些挂在每面墙上，或立在地面上的，是那些在她之前来，达到了艺术顶峰的前辈们的作品。
Those hanging from every wall, or upon stands in the ground, are the works of those who came before them and reached the apex of their profession.
飞行员可以在战区上空飞行，在地面上扔下数千个小型无线传感器，每个传感器只有一块小鹅卵石大小，价格为1美元。
Pilots can fly above a war zone and drop thousands of small wireless sensors, the size of a small pebble and costing a dollar apiece, over the terrain.
他在一个在地面上放置的小丑之上踏。
首先他们在地面上打上四棵桩子。
就象在地面上，武器可能很快转向进行反击。
Just like on the ground, weapons can be quickly slewed for counterfire.
在地面上的大门口沮丧地发芽。
注意自身的平衡，确保身体平稳的站立在地面上。
Be aware of your natural balance, being firmly on the ground while reaching high up.
在地面上，你到处能看到橘子和大南瓜。
On the ground, you can see oranges, big pumpkins here and there.
爸爸在地面上挖了一个洞。
这段视频首次播给在地面上焦急等待的矿工亲属看。
The video was first shown to relatives of the trapped miners waiting on the surface
它们可以排列在地面上或用外部连接的楼梯堆叠在一起。
They can be lined up on the ground or stacked up with an external staircase connecting them.
而且在地面上，相对而言，它只需要较小的空间。
Moreover, it requires a relatively small amount of space at the surface.
而且在地面上，相对而言，它只需要较小的空间。
Moreover, it requires a relatively small amount of space at the surface.
应用推荐