Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
精到
meticulous; thorough; painstakingna-adjective, noun
を
object markergrammar
極め
take to the limit; pursue to the utmost; reach the end of; reach a peak; be extremely; be at the height of; exhaust completely; use every possible word; leave nothing unsaid-> 極めるichidan verb
ている。
ongoing or resultant stategrammar