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- Recently they have laid an underground pipeline. 最近他們鋪設了一條地下管道。
- The missile is delivered from underground. 這種導彈由地下發射。
- They were suspected of underground activities. 他們被懷疑進行地下活動。
- Moles stay underground most of the time. 錢鼠大部分時間住在地下。
- He went underground to avoid capture. 他轉入秘密工作以免被捕。
- The cavers discovered a vast underground chamber. 探穴人發現了一個地下大洞穴。
- The quickest way to go round the city is by underground train. 在這個城市四處走動最快的辦法就是乘坐地鐵。
- The mole bored (its way) underground. 鼴鼠在地下挖掘(路)。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一條地道逃跑了。
- Some miners were trapped underground after the collapse. 塌方后，有些礦工被困在地下。
- There is an underground car park near the supermarket. 這個超市附近有一個地下停車場。
- The revolutionist eluded capture for weeks by hiding underground. 那位革命者為避免被捕在地下躲藏了幾個星期。
- He joined the underground to fight against the fascists. 他參加了地下組織與法西斯作戰。
- I used to go to work by underground when I was in London. 我在倫敦時，通常乘地鐵上班。
- An underground passage leads to the building across the street. 一條地下通道通到街對面的大樓。
- The spy never told his family about his underground activities. 這位間諜從未把他的秘密活動告訴家裡人。
- There is an underground room in the old house. 在老房子里有一個地下室。
- Torrential rivers are rumbling deep underground. 急流在地下深處隆隆奔騰。
- The miners' families fear for the lives of the men trapped underground. 礦工家屬為被困井下的工人的生命而擔憂。
- I obtained it for one pound in the underground. 這是我在地鐵花一英鎊買來的。
