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Sentence analysis
7Spans
Sentence
Span Details
国籍不明
of unknown nationality; unidentifiedno-adjective
機
chance; opportunity; right moment; machine; device; aircraft; plane; counter for aircraft; counter for remaining livesnoun, noun suffix, counter
が
subject markergrammar
防空識別圏
air defense identification zone; ADIZnoun
に
direction, time, indirect object, or target markergrammar
接近
approaching; getting closer; drawing near; being close (in degree); not much different; becoming close; becoming intimatenoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar