gravelled

rock, stone, gravel, pebble

这些名词均含“石、石头”之意。
rock: 普通用词，指构成地表最坚硬部分或突出于周围地面的巨大岩石，也可指石头或石块。
stone: 普通用词，泛指井然的或经加工的各类石头，可大可小。
gravel: 集合名词，常指用于铺路的小石子和沙砾。
pebble: 多指海边、河边或沙中圆形的小卵石。

动词 gravel:

1. cause annoyance in; disturb, especially by minor irritations
   同义词：annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil
2. cover with gravel
   同义词：gravel
3. be a mystery or bewildering to
   同义词：perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound

1. The workers mixed the asphalt with sand and gravel together.
   工人们把沥青和沙子、石块混合在一起。
2. We bumped up and down along the gravel path.
   我们沿砾石小路颠簸而行。
3. The solid rock that underlies loose material, such as soil, sand, clay, or gravel.
   基岩松散地质下的大石块，如土、沙、陶土或碎石
4. The wheels crunched the gravel.
   车轮碾在碎石上嘎吱嘎吱地响。
5. The car bumped on the uneven surface of the gravel road.
   汽车在高低不平的砾石路面上颠簸着。
6. They went out for a walk on the gravelled path.
   他们在碎石小径上散步。