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Sentence
Span Details
かつて
once; before; formerly; ever; never yet; never before; first time-> 嘗てadverb, no-adjective
コンコルド
Concorde (aircraft); Concord (place name)noun
は
topic markergrammar
唯一
only; sole; uniqueno-adjective, noun, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
超音速旅客機
supersonic airliner; supersonic passenger aircraftnoun
だった。
past copulagrammar