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   English
Google | Forvo | +
n vs adj-no studying | n vs adj-no n
gen. 研磨 news2 nf32 spec2 (けんま); 研摩 ik (kenma)
n vs studying | n vs n
gen. 修業 ichi1 news1 nf15
n studying | n n
gen. 畑水練 (which seems like swimming in a field)