variability什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

variability 音标：[ˌveəriəˈbɪləti]

n.变化性，易变，变化的倾向；变率；

◆记忆方法一：
词根词缀记忆法：variability n 变化性（vary变化）,-ability表名词，“能…；性质”

ADJ-GRADED. 多变的;易变的;反复无常的. Something that is variable changes quite often, and there usually seems to be no fixed pattern to these changes.