(1)变化(更)，变化程度 (act， process， or result of varying;degree of change)[C， U][N (in/of)]：We need no/some～in the temperature/our daily routine. 我们不需要/需要温度/日常的工作有所变化。Changing weather conditions are usually the result of～in air pressure. 天气状况的变化通常是气压变化的结果。(dial) record very slight/great～in pressure(刻度盘)记录下压力非常轻微/巨大的变化;There are many/innumerable～s of this kind of story (exercise). 这类故事(操练)有很多/无数变化的形式。be subject to a～of several degrees可有上下几度的变化;(currency exchange rate) be liable/subject to～(货币兑换率)容易/往往会变化;It was a～from my usual work. 这与我通常的工作不一样。do/write/play sth like this， without any～s 像这样做某事/写某东西/演奏乐曲，不要任何变动;〖同〗variety，change，difference，disagreement;〖反〗sameness，regularity;

(2)变奏(曲)(repetition of a musical theme with modifications)[C;N(on)]：piano/orchestral～s钢琴/管弦乐变奏曲;a set of～s on a theme by Mozart 一部莫扎特主旋律变奏曲;In music， a～on a tune is a different way of playing the tune. 在音乐中，一支乐曲的变奏就是用不同的方法来演奏同一曲调。