| 单词 | Willem de Sitter |
| 释义 | Willem de Sitter (once / 1688473 pages) n WORD FAMILY Willem de Sitter USAGE EXAMPLESThis became a topic of impassioned debate between Einstein and Willem de Sitter, a Dutch physicist who had found one of the expanding-universe solutions. Economist(Nov 25, 2015) n Dutch astronomer who calculated the size of the universe and suggested that it is expanding (1872-1934) Syn|Exp Sitter astronomer, stargazer, uranologist a physicist who studies astronomy |
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