迄今为止，围绕月球，共开展了73项科学探测任务，载人或者无人，以了解月球的化学成分，尤其是发现水，更是重点关注的项目。
There have been 73 missions, manned and unmanned, to the Moon, and understanding its chemical composition, particularly finding water, has always been a priority.
研究者希望化学反应后产生的氢，不仅能发射火箭，也能为长时间的空间任务补充氢电池。
Researchers hope that the hydrogen products of that reaction might go beyond launching rockets, and also feed hydrogen fuel cells for long duration space missions.
高技术之家EC序列将包括厨房化学和营养学，对科学怎样帮助您完成像煮鸡蛋一样最简单的任务提出一个更好的解释。
The High Tech Home Ec sequence will cover kitchen chemistry and nutrition, providing a better understanding of how science can help you perform the simplest of tasks, like boiling an egg.
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