Their eyes pop out and their mouths gape so wide they look hollow.他们眼睛突出,嘴巴大张着,看起来像空洞一样。She feared her eyes might actually pop out of their sockets.她害怕她的眼睛会真的从眼窝里瞪出来。You used to be able to pop out to the corner shop for a packet of cigarettes.你以前会为了买一包香烟而冲向街头小店。A gust of wind made the candle pop out.一阵风突然把蜡烛吹灭了。