an underground

常見例句

Recently they have laid an underground pipeline.
他們最近鋪了一條地下管道。
《新英漢大辭典》
They tunnelled their way into an underground palace.
他們掘隧道進(jìn)入了一個(gè)地下宮殿。
“We always had underground forts, and I always wanted an underground house because they’re so unique and easy to heat and cool,” he said.
“我們一直都有地下要塞，而我一直想要一所地下住所，因?yàn)樗鼈兒芴貏e，而且冬暖夏涼?！?他說。

Experts say the best place to be is in an underground shelter, or a small,windowless room in the lowest part of a building.
and there's an underground area
我們還有一部分地下的區(qū)域，
布朗的學(xué)生們 - SpeakingMax英語口語達(dá)人
What we don't get here is a sense of whether there really is an alternate secret postal system that serves a sort of underground of private networks.
在這里我們所不明白的是，是否真的存在一個(gè),提供地下的,私密的通信服務(wù)的，秘密郵政系統(tǒng)。
耶魯公開課 - 1945年后的美國小說課程節(jié)選

An underground activist group called Sokwanele has an anonymous blog that 1, 420 other sites link to.
FORBES: Anonymity & the Net
It will include relaxation, group discussions, an underground river and plenty of group meals.
FORBES: Connect
Fifteen years have now elapsed since the United States last conducted an underground U.S. nuclear test.
CENTERFORSECURITYPOLICY: The “Genie-stuffers”