14秒后,温度是30亿度,第一个氘原子核形成了。
14 seconds later, the temperature became 3 billion degrees, forming the first deuterium atom.
氘核:氘原子的原子核,由一个质子和一个中子组成,被视为带单位正电荷的亚原子。
Deuteron: the nucleus of a deuterium atom consisting of a proton and a neutron regarded as a subatomic particle with unit positive charge.
氘氢的一种同位素,在其原子核内有一个质子和一个中子,其原子重量为2。
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.
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