The orange wallpaper at the back of the hall is unnoticeable.
大厅后面的橘色墙纸不很显眼.
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Her clothes were simple and unnoticeable.
她衣着简朴,不引人注目.
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Strategic Code Splicing might have a minimal effect, but it's unnoticeable in almost all cases.
代码拼接有很小的影响, 但是大多数情况下都注意不到.
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Whatever colour changes the ocean experiences in the coming decades will probably be too gradual and unnoticeable, but they could mean significant changes.
2019年高考英语北京卷 阅读理解 阅读D 原文"a quiet, unobtrusive life of self-denial"
"her clothes were simple and unnoticeable"- J.G.Cozzens
"an unnoticeable cigarette burn on the carpet"
"an obscure flaw"