英语词汇extinction sign怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	extinction sign
释义	extinction sign 简明释义皮肤红斑消退试验双语例句 1 For instance, more and more animal species are on the verge of extinction. This is an alarming sign that something might have gone wrong in the quality of our environment. 举例来说，越来越多野生动物濒临绝种，显示出环境的质素可能出现了问题。
随便看	crease resistant finish crease resistant finish fabric crease resist anticrease crease retention creaser creases crease sensitivity crease setter crease shedding crease-shrinkage crease shy crease sign crease structure crease up crease turner crease up crease whitening creasey creaseyite creash creashak creasing creasing and cutting machine crease angle creasing iron

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