单词 | panspermia |
释义 | pan·sper·mi·a (păn-spûrmē-ə) n. The theory that microorganisms or biochemical compounds from outer space are responsible for originating life on Earth and possibly in other parts of the universe where suitable environmental conditions exist. [Greek panspermiā, mixture of all seeds : pan-, pan- + sperma, seed; see SPERM1.] |
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