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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。
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更新时间:2025/10/3 20:00:32