watery / aqueous / liquid / fluid / water / moist

conical / pyramidal / tapered / pointed

降水量: precipitation, rainfall - (the amount of the rain that had fallen)

水素爆弾: a hydrogen bomb

海水着: bathing suit

海水魚: saltwater fish

海水パンツ: swimming trunks

水文学: hydrology

"to distinguish sour and sweet by biting": to be familiar with the ways of the world

alive / lively / (of a machine or device) on; active; in operation