meg·a·ton 
(mĕgə-tŭn′)
(mĕgə-tŭn′)n.
A unit of explosive energy equal to that of one million metric tons of TNT.
mega·ton′nage (-tŭn′ĭj) n.
| 单词 | megaton |
| 释义 | meg·a·ton (mĕgə-tŭn′)n. A unit of explosive energy equal to that of one million metric tons of TNT. mega·ton′nage (-tŭn′ĭj) n. |
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