| 单词 | circulation |
|---|---|
| 音标 | [`sə:kju'leiʃən] |
| 解释 | n.循环，流通；发行额 |
| 红宝书 | 【英】 血液循环(movement of blood round the body from and back to the heart) 【记】 来自circulate(v.循 环,流通;circ[圆,环] +ulate)→绕圈走→循环 |
| 字源 | circulation (n.) mid-15c., from Middle French circulation or directly from Latin circulationem (nominative circulatio), noun of action from past participle stem of circulare "to form a circle," from circulus "small ring" (see circle (n.)). Used of blood first by William Harvey, 1620s. |
| 不择手段背单词 | 无 |
| 趣味全助记 | 无 |
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