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Sentence analysis
10Spans
Sentence
Span Details
レム睡眠
REM sleepnoun
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
は
topic markergrammar
脳
brain; mind; brains; mental facultiesnoun
が
subject markergrammar
活発
lively; active; vigorousna-adjective, noun
に
adverbial form after a na-adjectivegrammar
活動
activity; action; operation; moving picture (obs. abbr.)noun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
ている。
ongoing or resultant stategrammar