| 单词 | amplitude |
|---|---|
| 音标 | ['æmplitju:d] |
| 解释 | n.广大，广阔 |
| 红宝书 | 【考】 反义词: meagerness(稀少) |
| 字源 | amplitude (n.) 1540s, from Middle French amplitude or directly from Latin amplitudinem (nominative amplitudo) "wide extent, width," from amplus (see ample). Amplitude modulation in reference to radio wave broadcast (as opposed to frequency modulation) first attested 1921, usually abbreviated a.m. |
| 不择手段背单词 | n. 广大, 广阔 【记】ampl大, itude名词后缀, 表状态－广阔 【反】meagerness(n 稀少) |
| 趣味全助记 | 【记】ample + attitude 广大的状态 |
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