| 词汇 | cumulus |
| 词根词缀 | 词源： 1650s, "a heap," from L. cumulus "heap," from PIE *ku-m-olo-, suffixed shortened form of base *keue- "to swell" (cf. Skt. svayati "swells up, is strong," Gk. kyein "to swell," Lith. aunas "firm, solid, fit, capable"). Meteorological use for "rounded mass of clouds" first attested 1803. 词根记忆： n. 积云[cumul=heap(堆积)] 词根词缀： cumuluscumulus n 积云cmul=heap (堆积) accumulate v 积累cumulus n 积云 |
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