Vocabulary consisting only from characters you are able to read
二人
futari
two persons, two people, pair, couplejlpt5
水力
suiryoku
hydraulic power, water powermix
何分
nanpun
how many minutestoki
日本人
nihonjin
Japanese personmix
~中
~chuu
in (the middle of), within, during, whilejlpt5