Analyzer
Sentence analysis
13Spans
Sentence
Span Details
炭柱
coal pillarnoun
を
object markergrammar
残し
leave behind; leave remaining; leave unfinished; not finish; save; set aside; reserve; leave to someone; bequeath; hold on in the ring; stay in-> 残すgodan verb
て
connective te-formgrammar
採掘
mining; digging; excavationnoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
方法
method; way; meansnoun
は、
topic markergrammar
坑道
tunnel; gallery; level; shaft; pitnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
安定
stability; steadiness; balance; composure; stable; equilibriumnoun, suru verb, na-adjective
に
direction, time, indirect object, or target markergrammar
役立つ。
be useful; be helpful; serve the purposegodan verb