It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.
它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。
Pieces of rock plummet down the mountainside to the ground below.
岩石一块块顺著山的陡坡滚落到地面。
It smashed on the ground below, narrowly missing some children at play.
这个花盆在地上砸得粉碎，差点就砸中了在旁边玩的小孩。
Harry looked down and saw Hagrid spread-eagled on the ground below him.
哈利低头一看，海格四仰八叉地躺在下面的地上。
If I send my roots into the ground below, I don't know what I will meet in the dark.
如果我把根伸到地下，我不知道在黑暗中会碰到什么东西。
If I send my roots into the ground below, I don't know what I will encounter in the dark.
如果我的根往下长，我不知道在黑暗中会遇到什么。
Witnesses say the rising escalator suddenly changed direction, caused more than 20 passengers to fall to the ground below.
目击者说，正在上升的手扶电梯突然调转了方向，向后走，这使得超过20名乘客向后倒在了地面上。
From 90, 000 feet (27, 400 meters), the plane's cameras could capture foot-long (0.3-meter-long) objects on the ground below.
这种飞机的照相机可从90 000英尺(27 400米)高空捕捉到下方地面上一英尺长(0.3米长)的目标。
So, the rabbit sat on the ground below the crow, and rested. All of a sudden, a fox appeared, jumped on the rabbit and ate it.
于是，小兔子坐在乌鸦下面，休息了。突然，有一个狐狸出现了，跳上兔子身上，吃了它。
Some roof gutter exchange downspouts for baffle type designs break up the stream of drained water, so that it does not erode the ground below.
一些屋顶排水沟的挡板式设计打破了排水水流交换落水管，所以它不会削弱地下。
This paint, I stress expressing the sky and the ground below the sanguineous set, the war-smoke closes over the sky, the war-horse is braying.
这幅作品，我着重表现了苍茫血色映衬下的天与地，烽烟蔽日，战马嘶鸣。
This paint, I stress expressing the sky and the ground below the sanguineous set, the war -smoke closes over the sky, the war -horse is braying.
新作这幅作品，我着重表现了苍茫血色映衬下的天与地，烽烟蔽日，战马嘶鸣。
Although reptiles like the dinosaurs were plodding on the ground below them, they were not actually dinosaurs themselves - a common misconception.
尽管同为爬行类的其他恐龙只能在地上跑来跑去，但事实上，翼龙并非真正的恐龙，把它们当作恐龙是个小小的错觉。
Researchers say they have found a close link between electrical disturbances on the edge of our atmosphere and impending quakes on the ground below.
研究人员说他们发现大气边缘的混乱的电磁现象和地底行将发生的震动之间有密切关系。
Pictures on the Internet showed one carriage on the ground below the bridge and one suspended in mid-air, amid twisted pieces of metal and rescue workers on the scene.
网上的照片显示，一节车厢掉在桥底的地上，一节车厢悬在半空，周围全是金属碎片和救援人员。
It was Daniel who explained that they were growing in a public park. It was Daniel who told them that the tree had strong roots which were hidden in the ground below.
丹尼尔告诉大家说，他们都是大树的一部分，说他们生长在公园里，说大树有强壮的根深深埋在地底下。
If the rocks are moving about on ice rafts, the ground below cannot offer as much resistance against their motion and the winds needed for movement wouldn't have to be as great, he argued.
他提出，假设石头是在冰筏上移动的，地面的阻力不足以克制它们的移动，风力也不用那么大，就可以让石头动起来。
A knotted line of sheets trailing from a room high up in one damaged apartment block snaked to the ground below showing how resourceful people had been when their stairways had been destroyed.
一条用床单打结连成的绳子从一栋残余的单元楼的高处一直垂到地面，这是在楼梯被摧毁后聪明的人们想出的逃生办法。
The local limestone is so porous that all the rainwater immediately sinks below ground.
当地的石灰岩如此多孔以致所有的雨水很快渗到地下。
Thanks to a hot spring almost 40m below ground, the temperature of the lake never dips below 23C.
得益于地下40米深处的温泉，即使在冬天，湖水的温度也从未低于23摄氏度。
The aquifers range from 1,000 to 3,000 feet below the ground, which means that pumping will be expensive and there are other concerns.
地下含水层位于地下1000到3000英尺之间，这意味着抽水成本很高，还有其他接踵而来的问题。
Merian noted how the ants took the leaves below ground to their young.
梅里安注意到了蚂蚁是如何把地下的树叶带到它们的后代那里的。
If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.
如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。
Thanks to a hot spring almost 40m below ground, the temperature of the lake never dips below 23C, even in winter, allowing swimmers to float alongside the pink and white lotus all year round.
因为温泉差不多都在地下40米，湖水的温度从未低于23度。即便在冬天，游泳者也可以随着终年的桃红色和白色莲花一起漂浮。
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。
The clattering roar of the train muffled the thud of her fall on to the ground more than a metre below. She was knocked senseless.
呼啸而过的列车，把她甩到超过一米以下的地面，顿时失去了知觉。
The cons stand on a rock ledge over looking a rock quarry, the ground is two hundred feet below them.
他们现在站在一块岩架上，下面200英尺（60多米）是一个采石场。
The cons stand on a rock ledge over looking a rock quarry, the ground is two hundred feet below them.
他们现在站在一块岩架上，下面200英尺（60多米）是一个采石场。
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