a sea of faces meaning in English

人山人海

The actor looked out form the stage onto a sea of faces
演员从舞台上往下看，只见一片人山人海。
The actor looked out from the stage onto a sea of faces
这位演员从台上往下看，只见一片人山人海。
Standing at his podium , president clinton saw a sea of faces waving at him
林顿总统站在讲台上看到人山人海的人群挥手向他致意。）
It was on august 28 , 1962 when dr . rev . martin luther king ascended the steps of lincoln memorial and looked upon a sea of faces as far as the eye could see . then he spoke the words that immortalized dr . martin luther king
一九六三年八月廿八日，马丁路德金牧师踏上林肯演台，在他面前有著如海浪般多的人，他接著便开始说：