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Sentence
Span Details
天動説
geocentric theory; Ptolemaic theorynoun
は
topic markergrammar
長い間、
for a long time; for quite some time; long intervalexpression, noun, adverb
西洋
the West; Western countries; the Occidentnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
天文学
astronomynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
中心
center; middle; core; focus; -centered; -oriented; centered onnoun, no-adjective, suffix
だった。
past copulagrammar