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来源:雅诚德英语网
Detailed field studies of thick rock formations containing fossils provide the best potential tests of the competing theories.
对含有化石的厚岩层的详细现场研究为相互竞争的理论提供了最佳的潜在检验。
Detailed field studies of thick rock formations containing fossils provide the best potential tests of the competing theories.
对含有化石的厚岩层的详细现场研究为相互竞争的理论提供了最佳的潜在检验。