Analyzer
Sentence analysis
12Spans
Sentence
Span Details
火山灰
volcanic ashnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
鍵層
key bed; marker bednoun
を
object markergrammar
使っ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
て、
connective te-formgrammar
地層
stratum; geological layer; bednoun
の
possession, attribution, nominalizer, or nominal linkergrammar
年代
period; era; decade; date; age group; generation; age rangenoun
を
object markergrammar
対比
contrast; comparison; juxtaposition; correlation (of strata)noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar