选手: athlete, contestant...
回去: to return, to go back...
史无前例: unprecedented in history...
沉浸: to soak, to permeate, to immerse...
千: ten million, countless, many, one must by all means...
热水: hot water...
抗争: to resist, to make a stand and fight (against)...
袖手旁观: to watch with folded arms (idiom); to look on without lifting a finger...
广大: (of an area) vast or extensive, large-scale, widespread, (of people) numerous...
投身: to throw oneself into sth...
