| 单词 | residual |
|---|---|
| 音标 | [ri'zidjuəl] |
| 解释 | a.残余的，剩余的 |
| 红宝书 | 【记】 re(重新)+sid(坐)+ua l→坐下来的(东西)→ 残余的，剩余的. |
| 字源 | residual (adj.) 1560s, from residue + -al (1), or from French résiduel, from Latin residuum. residual (n.) 1550s, in mathematics, from residual (adj.) or from residue + -al (2). Residuals "royalties" attested by 1960. |
| 不择手段背单词 | 无 |
| 趣味全助记 | 【记】同remainder 残余, 剩余物 |
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