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Sentence analysis
9Spans
Sentence
Span Details
う歯
carious tooth; decayed toothnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
予防
prevention; protection; precautionnoun, suru verb
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
フッ素
fluorine (F)noun
が
subject markergrammar
有効
valid; effective; in effect; yuko (judo)na-adjective, noun
です。
be; is; arecopula, auxiliary
出洲ですspit of land; sandspit