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Sentence analysis
12Spans
Sentence
Span Details
ヘリコイド
helicoidnoun
は
topic markergrammar
微分
differentiation; differential; derivativenoun, suru verb
幾何学
geometrynoun
で
location, means, or scope markergrammar
よく
well; properly; skillfully; often; frequently; I'm glad that ...; thank you for ...; quite the nerve to; I don't know how you can ...-> 良くadverb
研究
research; study; investigationnoun, suru verb
される
passive, potential, or respect auxiliarygrammar
曲面
curved surfacenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
一つ
one; for one thing; only; just; (not) even one; just (try it); a little; some kind of; one type ofnumeric, noun, adverb, no-adjective
だ。
plain copulagrammar