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Sentence analysis
9Spans
Sentence
Span Details
船
ship; boat; watercraft; vessel; seaplane; tank; tub; vat; trough; counter for boat-shaped containersnoun, noun suffix, counter
の
possession, attribution, nominalizer, or nominal linkergrammar
水密
watertightno-adjective
区画
division; section; block; plot; lot; compartment; partitionnoun, suru verb
が
subject markergrammar
浸水
flooding; inundation; submersionnoun, suru verb
を
object markergrammar
防い
defend against; protect against; prevent; avert; avoid-> 防ぐgodan verb
だ。
past tense or completed action-> たgrammar