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Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
直線
straight linenoun, no-adjective
は
topic markergrammar
底面
bottom; underside; base; base (of a polyhedron)noun
に
direction, time, indirect object, or target markergrammar
垂直
vertical; perpendicularna-adjective, noun
である。
formal copulagrammar