air purifier
A device used to remove contaminants from the air.
(geology, paleontology) A subdivision of the Jurassic period.
present participle of backpropagate
Contained in the whole an integral number of times, a factor or divisor.
私はアパートのほこりやアレルゲンを減らすために空気清浄機を買いました。
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DiQt
Free
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