尽管氘很便宜，储量也很丰富，但是氚却出奇的稀有，只能从核反应中得到。
Although deuterium is cheap and abundant, tritium is exceptionally rare and must be harvested from nuclear reactions.
尽管氘很便宜，储量也很丰富，但是氚却出奇的稀有，只能从核反应中得到。
Although deuterium is cheap and abundant, tritium is exceptionally rare and must be harvested from nuclear reactions.
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