層序 そうじょ noun (common) (futsuumeishi) 層序そうじょ Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) geology succession of strata;stratigraphy 漢字 kanji used 層 stratum, social class 14画 序 preface, beginning 7画
層序そうじょ Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) geology succession of strata;stratigraphy
Shirabe