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Sentence analysis
6Spans
Sentence
Span Details
海面下
below sea level; undersea; beneath the wavesnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
地形
terrain; topography; geographical featuresnoun
を
object markergrammar
調査
investigation; examination; inquiry; surveynoun, suru verb
する。
light/support verb with a noun or noun-like phrasegrammar