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lexell
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Lex•ell
(lek
′
səl),
USA pronunciation
n.
Astronomy
a comet that passed closer to the earth than any other comet (1770), but now has an orbit that is too distant from the earth for it to be observed.
after Anders Jean
Lexell
(1740–84), Finnish-born mathematician, who calculated its orbit
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更新时间:2025/11/25 21:44:05