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Sentence analysis
7Spans
Sentence
Span Details
海底
bottom of the ocean; seafloor; seabed; undersea; submarinenoun, noun-modifying
の
possession, attribution, nominalizer, or nominal linkergrammar
地図作成
cartography; mapmaking; mappingnoun
を
object markergrammar
行っ
perform; carry out; conduct; do-> 行うgodan verb
てい
ongoing or resultant state-> ているgrammar
ます。
polite non-pastgrammar