| 单词 | cumulus |
|---|---|
| 音标 | ['kju:mjuləs] |
| 解释 | n.积云 |
| 红宝书 | 【英】 n. 积云(cloud formed of, rounded, massed, heaped on a flat base) 【记】 来自词根:cumul(堆积 ) 【例】 积云(cloud formed of rounded massed heaped on a flat base) |
| 字源 | cumulus (n.) 1650s, "a heap," from Latin cumulus "a heap, pile, mass, surplus," from PIE *ku-m-olo-, suffixed shortened form of root *keue- "to swell" (compare Sanskrit svayati "swells up, is strong," Greek kyein "to swell," Lithuanian šaunas "firm, solid, fit, capable"). Meteorological use for "rounded mass of clouds" first attested 1803. |
| 不择手段背单词 | n. 积云(浓密、平底状的白色云块); 堆积物 【根】cumul堆积; 参考: cumulative(adj 累积的) |
| 趣味全助记 | 【记】accumulation 积聚 |
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