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Sentence analysis
8Spans
Sentence
Span Details
長期間
long period; long term; extended periodnoun, adverb, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
保存
preservation; conservation; storage; maintenance; saving (data)noun, suru verb
で
location, means, or scope markergrammar
油
oilnoun
が
subject markergrammar
変質
change in quality; alteration; deterioration; sexual perversionnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar