variable

• adj. 變量的；可變的；易變的，多變的；變異的，[生物] 畸變的
• n. [數] 變量；可變物，可變因素

來自vary,改變，多變。

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.

1. The drill has variable speed control.

這鑽機有變速控製。

來自《權威詞典》

2. The variable weather is a great trial to me.

這種多變的天氣真是讓我受不了.

來自《簡明英漢詞典》

3. He is of a variable mood ; he never finishes what he starts.

他這個人朝三暮四,做起事來總是虎頭蛇尾.

來自《現代漢英綜合大詞典》

4. Speed was a variable in the experiment.

在該實驗中速度是個變數.

來自《簡明英漢詞典》

5. The speed of the windscreen wipers is variable.

汽車擋風玻璃上雨刷的速度是可變的.

來自《簡明英漢詞典》