| [/ˏveərɪˈeɪʃn; ˏvɛrɪˋeʃən/] n 用法:
1 [C, U] ~ (in/of sth) (degree of) varying or being variant 变化, 变动, 变异（的程度）:
Prices have not shown much variation this year. 今年物价没显出多大变化. *
Currency exchange rates are always subject to variation. 货币兑换率是经常变的. *
The dial records very slight variations in pressure. 刻度盘显示出压力有微小变化. 用法:
2 [C] ~ (on sth) (music 音) repetition of a simple melody in a different (and usu more complicated) form 变奏; 变奏曲:
a set of variations on a theme by Mozart 以莫扎特某一乐曲为主题的一组变奏曲 *
piano, orchestral, etc variations 钢琴、 管弦乐等变奏曲 *
(fig 比喻) His numerous complaints are all variations on a theme, ie about the same thing. 他的牢骚说来道去都是一回事儿. 用法:
3 (a) [U] (biology 生) change in structure or form caused by new conditions, environment, etc 变异; 变种.
(b) [U] (mathematics 数) change in a function, etc due to small changes in the values of constants 变分; 变差.
(C) [C] instance of such change 变异; 变种; 变分; 变差. |