invisible inks
Alternative form of earsh
An oblast of Russia. / A city, the administrative center of Voronezh Oblast, Russia. / A left tributary of the Don in Tambov Oblast, Lipetsk Oblast and Voronezh Oblast, Russia.
plural of invisible ink
a large building which contains offices on several floors, often for several firms.
科学フェアでは、生徒たちは見えないインクを使って秘密のメッセージを送る実験をした。
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DiQt
Free
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