Although Xenon is rare and relatively expensive to extract the Earth 's atmosphere , it has a number of applications .
Although xenon is rare and relatively expensive to extract from the Earth 's atmosphere , it has a number of applications .
Although xenon is rare and relatively expensive to extract from the Earth 's atmosphere , it has a number of applications .
为这句话写一个解释: Although Xenon is rare and relatively expensive to extract the Earth 's atmosphere , it has a number of applications . 输出: