| 正面 | 1873.variable 英 ['veərɪəb(ə)l]美 ['vɛrɪəbl]     |
|---|---|
| 背面 |     释义： 1、com- "intensive prefix" + -plain-.2、originally "beat the breast, lament (by beating the breast)". => 抱怨，诉苦，发牢骚。3、成语“捶胸顿足”形象地诠释了词根-plain-的引申义，可以说是心有灵犀，有异曲同工之妙。adj. 变量的；可变的；易变的，多变的；变异的，[生物] 畸变的n. [数] 变量；可变物，可变因素 例句： 1. The drill has variable speed control.这钻机有变速控制。 variable 多变的来自vary,改变，多变。 variable (adj.)late 14c., of persons, "apt to change, fickle," from Old French variable "various, changeable, fickle," from Late Latin variabilis "changeable," from variare "to change" (see vary). Of weather, seasons, etc., attested from late 15c.; of stars, from 1788.variable (n.)"quantity that can vary in value," 1816, from variable (adj.) in mathematical sense of "quantitatively indeterminate" (1710). Related: Variably; variability." |