fissionable element

常见例句

雙語例句

• The prime example is the element uranium (U), which occurs naturally as two isotopes-the lighter, fissionable U-235 and the heavier, non-fissionable U-238.
  鈾（U）元素就是一個很好的例子。 天然鈾有兩種同位素； 較輕的負235可以裂變，較重的鈾238則不會裂變。
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