Analyzer
Sentence analysis
11Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
油化
petrochemistry; petrochemical industrynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
分野
field; area; domain; branchnoun
で
location, means, or scope markergrammar
長年
many years; a long timenoun, adverb
研究
research; study; investigationnoun, suru verb
を
object markergrammar
続け
continue; keep doing; keep up; continue to ...; keep on ...-> 続けるichidan verb, auxiliary
ている。
ongoing or resultant stategrammar