Analyzer
Sentence analysis
8Spans
Sentence
Span Details
放射性炭素年代測定法
radiocarbon dating; carbon-14 datingnoun
は
topic markergrammar
1940
-noun
年代
period; era; decade; date; age group; generation; age rangenoun
に
direction, time, indirect object, or target markergrammar
開発
development; cultivation; application; exploitation (of resources)noun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た。
past tense or completed actiongrammar