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Sentence analysis
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Sentence
Span Details
塩化エチル
ethyl chloridenoun
は
topic markergrammar
かつて
once; before; formerly; ever; never yet; never before; first time-> 嘗てadverb, no-adjective
冷媒
refrigerant; coolantnoun
として
as; in the role ofgrammar
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