Unfortunately, in spite of more than 50 years' work and billions of dollars of backing, no one has yet managed to get an Earth-bound fusion reaction to produce useful energy.
Unfortunately, in spite of more than 50 years' work and billions of dollars of backing, no one has yet managed to get an Earth-bound fusion reaction to produce useful energy.
遗憾的是,尽管进行了50多年研究,耗费了几十亿美元,至今无人可以在地球上实现聚变反应,制造可以使用的能量。