They stayed under ground for two days.

他们在地下呆了两天。

Come in, there is a coffee bar under ground.

进来吧，地下有个咖啡厅。

Magma extravasated as pressure built under ground.

当地底下的压力生成时，岩浆喷发。

The ground will shake while the guards are under ground.

这些卫兵在地下时，地面会震动。

The system function was simulated and testing under ground support equipment.

在地面支持设备上对系统功能进行了仿真和测试。

Where are leaves, flowers, fruits without roots which work unknown to pulic under ground?

没有根须默默无闻地深扎于土地里，又哪儿来的枝叶、花朵和果实？！

This article discusses the two noticeable problems in the construction of under ground continuous wall.

本文就地下连续墙施工中这两个应注意的问题进行了讨论。

The heating efficiency of heat exchange system with solar energy under ground in vinyl-house was evaluated.

利用半被动式太阳能地下热交换贮能增温系统为塑料大棚加温。

This method reduces toxic pollution and makes it easier to capture and sequester gases like carbon dioxide under ground.

这一方法降低了有毒污染，并能够使捕捉和储存二氧化碳等气体的过程得到简化。

Roots quietly absorb juice under ground for fruit. Fruit is praised because of its sweetness. But how can root be praised?

根在地下默默地为果吸收浆汁。果因甜美而备受称赞，可人们该如何称赞根呢？

Each room leads further down under ground to yet more strange rooms filled with death metal fans, Goths, emos, dopeheads and trendies.

从一间屋子可以走进地下另一间更怪异的屋子，里面挤满了重金属迷，哥特、埃莫斯、都普海兹和特兰迪等。

It is very difficult to make basements feel comfortable because they are under ground, usually have insufficient natural light and have the lowest energy in a building.

在地下室里感觉到舒服是很难的，因为它们是在地下，并且缺少足够的自然光，能量也是整个楼中最低的。

The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.

采用复变函数解法，研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题。

This paper introduces an testing method and testing equipment for the performance of heat transfering of pipes buried under ground in a ground source heat pump system.

介绍一种地源热泵地下埋管换热性能测试装置及测试方法，并对该装置的用途进行了分析讨论。

The other greenwash favoured by coal-burners is to hold out the prospect that emissions will soon be cleaned up and buried under ground using carbon capture and storage.

燃煤者喜爱的另一个绿色外衣是提出这样的前景：利用碳捕捉和碳储藏，排放出来的碳很快就会被清除并埋入地下。

For the roof assembling technique under ground was complex and the integral lifting was high difficult, much challenge was placed on the quality and safety supervision.

屋盖在地面组装工艺复杂，整体提升难度大，质量安全监督方面面临挑战。

Especially, the common nature of stratum movement and under ground pressure influence is not grasped and the information base is not built, therefore the blindness exists.

特别是没有突出岩层运动和矿山压力影响这个共同的本质，没有建立相应的信息基础，存在一定的盲目性。

The water may be in pools or under the ground.

水可能在池子里，也可能在地下。

Some birds build their nests on the ground, while others bury their eggs under the ground.

有些鸟在地上筑巢，有些则把蛋埋在地下。

They built the library under the ground to keep it safe from bombing.

他们把图书馆建在地下以保护它不受轰炸。

How ardently they grew to love their home under the ground; especially Wendy.

他们多么热烈地爱上了他们在地下的家；尤其是温迪。

In the beginning, when a cicada is under the ground, it is called a baby cicada.

蝉一开始在地下生长活动时，叫作蝉宝宝。

There are also about seven special kinds in the U.S. that stay under the ground for many years.

美国大约还有7个特殊品种埋藏在地下多年。

The ground suddenly sank under his feet.

他脚下的土地突然陷下去了。

There was a lowering sky overhead, sloppy ground under foot, and a winter chill in the air.

头顶上是低沉的天空，脚下是泥泞的地面，空气中弥漫着冬日的寒意。

The water there is naturally heated under the ground.

那里的水在地下自然加热。