Vocabulary
宝庫
ほうこ
treasury; treasure house; storehouse; repository
noun
freq #15
Example sentences
彼(かれ)は知識(ちしき)の宝庫(ほうこ)だ。
He has a well of knowledge.
百科事典(ひゃっかじてん)は知識(ちしき)の宝庫(ほうこ)だ。
An encyclopedia is a mine of information.