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Sentence analysis
8Spans
Sentence
Span Details
白リン
white phosphorus-> 白燐noun
は
topic markergrammar
空気
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand outnoun
中
medium; average; middle; in; within; among; during; while; throughout; currently doing; in the process of; under; middle way; moderation; second volume (of three); junior high school; middle school; Chinanoun, suffix
で
location, means, or scope markergrammar
自然発火
spontaneous combustionnoun
する
light/support verb with a noun or noun-like phrasegrammar
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb