megatons是什么意思？

megatons

• n. 兆吨( megaton的名词复数 )；

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  兆吨，百万吨级(可用于计算核爆炸力，相当于100万吨梯恩梯炸药的爆炸威力)
  You can use megaton to refer to the power of a nuclear weapon. A one megaton bomb has the same power as one million tons of TNT.