Analyzer
Sentence analysis
8Spans
Sentence
Span Details
導坑
pilot tunnelnoun
を
object markergrammar
掘っ
dig; excavate; hollow out; delve into; dig into; dig up; mine; extract; top; take the active role in anal sex-> 掘るgodan verb
て
connective te-formgrammar
地質
geological features; geology (of an area)noun
を
object markergrammar
調査
investigation; examination; inquiry; surveynoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar