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nouns which may take the genitive case particle 'no', 'taru' adjective, adverb taking the 'to' particle
very interesting, of absorbing interest, having a keen interest (in), being immensely curious (about)
yojijukugo-
この本は興味津々たるものがあって飽きない。
This book is so absorbing that I can't put it down.
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