慢速英语:科学家成功从月球尘埃中获得氧气

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simulated – adj. something that looks and behaves like something real but which is not real

extraction – n. the act of taking something out

acquire – v. to get something

lunar – adj. of or relating to the moon

bonus – n. something extra that is given but which was not expected

alloy – n. a metal that is a mixture of two or more metals

application – n. a way something can be used in for a particular purpose

automated – adj. operated alone by equipment and not people