There is a very specialspecial/ˈspeʃəl/L1特别的，不普通的different from what is usual or normal gas called helium-3. It costscosts/kɒsts/L1花费（钱）to have a price; you need to pay money to get it a lot of money. One small bottle costs $2,000. A lab at Lancaster University has many bottlesbottlesL1瓶子。bottles of it. They savedsavedL1被保护免受伤害或破坏guarded from injury or destruction the gas when it was cheap. Now scientists use it for cool experimentsexperiments/ɪkˈsperɪmənts/L1实验；科学测试tests that scientists do to learn new things.
Helium-3 can help make quantumquantumL1与量子力学相关的Relating to quantum mechanics. computers. It can also make clean energyenergy/ˈenədʒi/L1能量；动力the power that makes things work or move. But there is not much on Earth. So some people want to get it from the moonmoon/muːn/L1月亮；月球the big round thing in the sky at night. Moon dustdustL1细小的粉状物质（如干土或花粉），可以在空气中飘散。fine powdery material such as dry earth or pollen that can be blown about in the air has a little helium-3 inside it. A company called Interlune plans to dig it up with special machinesmachinesL1机器machines.
This is hardhardL1不容易；需要付出巨大的体力或脑力才能完成、理解或忍受；“一项艰巨的任务”；“悬崖上的栖息地难以到达”；“艰难的时期”；“为什么会是这样……”not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so... work because the moon is far away. But one of the company's leadersleadersL1领导某个群体的人the body of people who lead a group walked on the moon before. He thinksthinksL1思考thinks it is a good idea. If they can do it, we will have more helium-3 for important sciencescienceL1在某个问题领域内解决问题的能力ability to produce solutions in some problem domain.
