Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
易变的事物
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易变的事物；变数；可变的；不定的
something that is likely to vary; something that is subject to variation
the weather is one variable to be considered
正在加载中文释义…
something that is likely to vary; something that is subject to variation
正在加载中文释义…
a quantity that can assume any of a set of values
正在加载中文释义…
a star that varies noticeably in brightness
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Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT.