- a great landmass thought to have existed in the geological past and to have split into smaller landmasses, which drifted and formed the present continents
| 单词 | supercontinent |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 su•per•con•ti•nent (so̅o̅′pər kon′tn ənt),USA pronunciation n. [Geol.]
Collins Concise English Dictionary © HarperCollins Publishers:: supercontinent /ˈsuːpəˌkɒntɪnənt/ n
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