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Sentence analysis
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Sentence
Span Details
念のため、
just to make sure; for confirmation; just in case; as a precautionexpression, noun, adverb
予備
reserve; spare; backup; preparation; preliminarynoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
電池
battery; cellnoun
を
object markergrammar
買っ
buy; purchase; value highly; think highly of; appreciate; incur; invite; arouse; win favor; take up; accept; take on; pay for a prostitute; hire a geisha-> 買うgodan verb
ておい
do in preparation-> ておくgrammar
た。
past tense or completed actiongrammar