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Span Details
塩化銅
copper chloridenoun
は
topic markergrammar
触媒
catalystnoun
として
as; in the role ofgrammar
使わ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
れる
passive voice; suffering passive; potential form; spontaneous occurrence; honorific (sonkeigo)auxiliary verb, auxiliary
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb