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Sentence analysis
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Sentence
Span Details
蝶形骨
sphenoid bonenoun
は
topic markergrammar
頭蓋骨
skull; craniumnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
底部
base; bottomnoun
に
direction, time, indirect object, or target markergrammar
ある。
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary