在近代美国历史上最重要的事件之一听说多于；超过玩的高兴沉默的做某事在当今时代

in the American modern history
one of the important events
hear of
more than
enjoy one's self /have fun
do sty in silence
in modern time

在近代美国历史上in Modern history of American最重要的事件之一one of the most important things听说heard of多于；超过more than玩的高兴have a good/big time;enjoy oneself沉默的做某事do sth silently;do sth...