under ground

基本解釋

They stayed under ground for two days.
他們在地下呆了兩天。
《新英漢大辭典》
Innovation is like a bamboo shoot, a bamboo shoots bends many years under ground, and then it just picks its head up like a seedling, and to shoot up very quickly.
創(chuàng)新猶如竹筍，竹筍要在地下生長許多年，然后像幼苗一樣把頭抬，飛速竄高。
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.
在地下室里感覺到舒服是很難的，因為它們是在地下，并且缺少足夠的自然光，能量也是整個樓中最低的。

Words like these come to mind as visitors enter a world of silence, darkness and cold, almost two hundred thirty meters under the ground.
So how accurate is that picture of Socrates the man who investigates the things aloft and the things under the ground?
所以，蘇格拉底在劇中的形象有多準確,就是作為一名調(diào)查,一些上天下地之事的人？
耶魯公開課 - 政治哲學(xué)導(dǎo)論課程節(jié)選
Again investigating the things aloft under the ground. He is what we would call today a scientist a natural scientist.
能調(diào)查上天下地之事的人,即今日我們所謂的科學(xué)家,自然科學(xué)家。
耶魯公開課 - 政治哲學(xué)導(dǎo)論課程節(jié)選

MTRs super train is not ready to glide at top speeds under ground just yet.
FORBES: Bill Nye Should Check Out China; Another "World's Fastest" Train Near Complete

ndgrand ndgrand
Underground is also an adjective.
Theunderground in a city is the railway system in which electric trains travel below the ground in tunnels.
Underground groups and activities are secret because their purpose is to oppose the government and they are illegal.
If you go underground, you hide from the authorities or the police because your political ideas or activities are illegal.

地下
The study on stability of underground structures resisting the uplift load is being adverted.
研究與探討地下結(jié)構(gòu)的抗浮穩(wěn)定性問題,日益受到國內(nèi)外學(xué)者的重視。
地下的

地下
It can cause the space in rock underground when the underground coal exploited.
地下煤炭開采必然會形成采空區(qū)。
地下的