博物馆: museum...
象棋: Chinese chess...
要不然: otherwise, or else, or...
炭: wood charcoal, coal...
付出: to pay, to invest (energy or time in a friendship etc)...
海外: overseas, abroad...
适当: suitable, appropriate...
先进: advanced (technology), to advance...
减弱: to weaken, to fall off...
氛围: ambience, atmosphere...