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フェノールフタレイン
phenolphthaleinnoun
は
topic markergrammar
酸塩基指示薬
acid-base indicatornoun
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