[das] (核聚变)氢
hydrogen burning processes
[der] (核聚变)氢
hydrogen burning processes
[die] 【核】质子-质子循环
proton-proton chain, pp-chain, hydrogen burning processes
[die] (核聚变)氢
。【核】质子-质子循环
proton-proton chain, pp-chain, hydrogen burning processes
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