Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
物理学
physicsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
基本原理
fundamental principle; basic conceptnoun
を
object markergrammar
説明
explanation; description; accountnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar