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Sentence
Span Details
金石併用時代
Chalcolithic; Copper Agenoun
に
direction, time, indirect object, or target markergrammar
は、
topic markergrammar
石器
stone tool; stone implementnoun
と
quotation, conditional, companion, or and markergrammar
銅器
copperwarenoun
が
subject markergrammar
同時に
at the same time; simultaneously; concurrently; just as ...; the moment ...; just after ...; at the same time (but); on the other hand; alsoexpression, adverb, conjunction
使わ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
れ
passive, potential, or respect auxiliary-> れる/られるgrammar
てい
ongoing or resultant state-> ているgrammar
た。
past tense or completed actiongrammar