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英语单词

graptolite是什么意思

graptolite

英['græptəlaɪt] 美['græptəlaɪt]
  • n.笔石(古无脊椎动物,现存化石)
  • 网络解释.笔石;笔石动物





双语例句


1 . These provide base for the correct measurement and valuing of graptolite reflectivity.
从而为笔石反射率的正确测定和取值奠定了基础.

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