不可数名词：

碎石，沙砾

及物动词：

铺碎石，使困惑，使搁浅

词形变化

时态graveled，gravelled，graveling，gravelling

英语解释

rock fragments and pebbles

cover with gravel

cause annoyance in; disturb, especially by minor irritations

unpleasantly harsh or grating in sound

be a mystery or bewildering to