naturally-occurring uranium 中文意思是什麼
naturally-occurring uranium
解釋
天然鈾-
The heaviest naturally occurring element is uranium, which has 92 protons
自然存在的最重元素是鈾,有92個質子。 -
Hydrogen, the lightest element, has a single proton whereas uranium, the heaviest naturally occurring one, has 92
氫是最輕的元素,原子核中只有一個質子,而鈾這種自然形成的最重元素的原子核中有92個質子。
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