| 单词 | calculus |
|---|---|
| 音标 | ['kælkjuləs] |
| 解释 | n.微积分学；结石 |
| 红宝书 | 【英】 微积分学(branch of mathematics, divided into two parts that deals with problems involving rates of variation) |
| 字源 | calculus (n.) 1660s, from Latin calculus "reckoning, account," originally "pebble used as a reckoning counter," diminutive of calx (genitive calcis) "limestone" (see chalk (n.)). Modern mathematical sense is a shortening of differential calculus. Also used from 1732 to mean kidney stones, etc., then generally for "concretion occurring accidentally in the animal body," such as dental plaque. Related: Calculous (adj.). |
| 不择手段背单词 | n. 微积分学(数学的一个分支); 结石(一种体内聚结, 由矿物盐形成, 存在于胆囊、肾或膀胱中) |
| 趣味全助记 | 【记】Calculate 看着象计算，最后几个字母挺高深，是个学问(微积分学）又象Cal钙，原来也是一点点积多的石，结石；想出国得有成绩单；这门课不认识不行 |
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