meander - a bend , tributary - many streams, filter - separate, pollution - rubbish, source - starting place, confluence - streams meet, current - flow, dam - barrier, delta - sediment build up, discharge - amount per second, depth - deep, erosion - wearing away,

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?