adj. 形容词地下的；秘密的；非法的
adv. 副词秘密地，隐蔽地；在地下
n. 名词地铁；地下组织，秘密组织
The city has a well-developed underground transportation system.
这座城市有一个非常发达的地下交通系统。
They explored the underground caves and found many interesting formations.
他们探索了地下洞穴，发现了许多有趣的结构。
The underground passage was dark and damp.
地下通道又黑又潮湿。
Some animals live in the underground burrows.
一些动物生活在地下洞穴中。
The treasure was hidden in an underground chamber.
宝藏藏在一个地下密室里。
The underground river flowed quietly through the cave.
地下河流静静地在洞穴中流淌。
He works in the underground mine and earns a decent living.
他在地下矿井工作，收入还不错。
The underground parking lot is always full during peak hours.
地下停车场在高峰时段总是满的。
They held an underground concert in a secret location.
他们在一个秘密地点举办了一场地下音乐会。
The underground resistance movement fought against the invaders.
地下抵抗运动与侵略者进行斗争。
The underground storage facility is used to keep important supplies.
地下存储设施用于存放重要物资。
She discovered an underground network of tunnels.
她发现了一个地下隧道网络。
The underground bunker provided shelter during the war.
地下掩体在战争期间提供了庇护。
The underground laboratory is conducting cutting-edge research.
地下实验室正在进行前沿研究。
They took refuge in the underground shelter when the storm hit.
暴风雨来袭时，他们在地下避难所避难。
The underground cable was damaged during the construction.
地下电缆在施工期间被损坏。
The underground world of insects is full of mysteries.
地下昆虫世界充满了神秘。
The underground market sells rare and illegal items.
地下市场出售稀有和非法物品。
He belongs to an underground organization that fights for justice.
他属于一个为正义而战的地下组织。
The underground tunnel connects two different parts of the city.
地下隧道连接了城市的两个不同部分。
The underground spring provides fresh water to the village.
地下泉水为村庄提供了淡水。
The underground room was used as a secret meeting place.
地下房间被用作秘密会议场所。
The underground heating system keeps the building warm in winter.
地下供暖系统在冬天使建筑物保持温暖。
The underground railway is a convenient way to travel.
地下铁路是一种方便的出行方式。
The underground storage tank holds a large amount of oil.
地下储油罐储存着大量的石油。
The underground passageway leads to the old castle.
地下通道通向古老的城堡。
The underground network of pipes supplies water and gas.
地下管道网络供应水和天然气。
The underground vault is protected by a complex security system.
地下金库由一个复杂的安全系统保护。
The underground cave is home to many bats.
地下洞穴是许多蝙蝠的家。
The scientist studied the structure of the atom in the laboratory.
科学家在实验室研究原子的结构。
She gave me everything.
她给了我一切。
I feel happy when I see you.
当我看到你时，我感到很开心。
She paid her college tuition on time.
她按时支付了她的大学学费。
She decided to purchase a new car.
她决定购买一辆新车。
She readily agreed to help with the project without hesitation.
她乐意地同意帮助这个项目，毫不犹豫。
The painting was a forgery.
那幅画是伪造品。
There is a scintilla of hope left.
还有一丝希望。
This is a typical example.
这是一个典型的例子。
I'm sorry, I didn't mean to hurt your feelings.
我很抱歉，我不是故意要伤害你的感情。
We will arrive at the station by noon.
我们将在中午到达车站。
She sat on his lap.
她坐在他的大腿上。
Helping others is always worthwhile.
帮助别人总是值得的。
The earthquake was a major disaster.
这次地震是一场重大的灾难。
The gate is open.
这扇门是开的。
I like this tune.
我喜欢这首曲子。
The general idea is clear.
这个大致的想法很清楚。
I believe in you.
我相信你。
The TV remote is on the table.
电视遥控器在桌子上。
We should set a date for the meeting.
我们应该为会议定一个日期。
