be covered in/with gravel
gravel 是不可数名词，前面不加 a/an；表示“铺满砾石”时常用 be covered with/in gravel。
The garden path is covered with gravel.
花园的小路上铺满了砾石。
砾石；石子；砂砾
gravels — plural of gravel
马蹄脓肿；碎石路骑行运动；岩石的小碎片,用于铺设道路和铁路路基,以及作为压舱物。；岩屑和卵石；按矿物类型、尺寸范围或其他特征区分的小岩石类型或等级。
small loose fragments of rock and pebbles, used especially on roads, railways, or paths
岩石的小碎片,用于铺设道路和铁路路基,以及作为压舱物。
Small fragments of rock, used for laying on the beds of roads and railways, and as ballast.
岩屑和卵石
rock fragments and pebbles
按矿物类型、尺寸范围或其他特征区分的小岩石类型或等级。
A type or grade of small rocks, differentiated by mineral type, size range, or other characteristics.
按照温特沃斯尺度,直径在2至64毫米之间的颗粒。
A particle from 2 to 64 mm in diameter, following the Wentworth scale.
马蹄部的跛行,通常由脓肿引起。
A lameness in the foot of a horse, usually caused by an abscess.
砾石骑行,一种不同于公路骑行、山地骑行或越野骑行的自行车运动,主要在砾石路上骑行,通常使用专用砾石自行车。
Gravel cycling, a discipline in cycling different from road cycling, mountain biking or cyclocross, for a large part on gravel roads, typically with a dedicated gravel bike.
The driveway was covered with loose gravel.
车道上铺满了松散的碎石。
用法提示：gravel作为名词，指铺在路面上的碎石。
Children played on the gravel path in the park.
孩子们在公园的碎石小路上玩耍。
用法提示：gravel作为名词，描述由碎石铺成的小路。
The construction crew spread gravel over the muddy road.
施工人员在泥泞的道路上撒了碎石。
用法提示：gravel作为名词，指用于铺设或改善路面的碎石材料。
gravel 是不可数名词，前面不加 a/an；表示“铺满砾石”时常用 be covered with/in gravel。
The garden path is covered with gravel.
花园的小路上铺满了砾石。
说明把砾石铺在某处，用 lay/spread gravel on + 地点；gravel 不加复数词尾。
The workers laid gravel on the railway bed.
工人们在铁路路基上铺设了砾石。
不可数名词借助 a layer of、a pile of 等量词计数，谓语与量词的单复数一致。
They spread a thick layer of gravel over the soil.
他们在土壤上铺了一层厚厚的砾石。
gravel 作定语直接修饰另一名词时用单数形式，如 gravel road、gravel path。
We cycled along a quiet gravel road.
我们沿着一条安静的砾石路骑行。
常用于描述天然圆形小石，与gravel（角砾）在形状上略有差异，但许多语境可互换。
强调细小颗粒，有时含沙；可能不如gravel粗大。
特指海滩上的光滑砾石，与gravel来源不同，但大小相似。
常指建筑废墟中的碎石，比gravel更不规则，且含砖块等。
grammar · medium
易错句子There is a gravel on the driveway.
正确表达There is some gravel on the driveway.
gravel 表示‘铺路用的碎石、砾石’这一材料时是不可数名词，不能用不定冠词 a/an 表示‘一块、一颗’。汉语说‘一颗石子’，英语不能直译成 a gravel；应改用不可数表达 some gravel 或 a piece of gravel。
grammar · medium
易错句子How many gravel do we need for the path?
正确表达How much gravel do we need for the path?
how many 只能修饰可数名词复数，而此义的 gravel 是不可数名词，所以提问数量必须用 how much。把 how many 换成 how much 才能与不可数名词 gravel 搭配。
碎石路
The car rattled along the gravel road.
汽车沿着碎石路颠簸行驶。
砾石车道
They parked the truck on the gravel driveway.
他们把卡车停在砾石车道上。
碎石小径
We walked along the gravel path through the garden.
我们沿着花园里的碎石小径散步。
采石坑
The gravel pit has been closed for years.
这个采石坑已关闭多年。
砾石采石场
Workers are extracting stone from the gravel quarry.
工人们正在从砾石采石场开采石头。
砾石表面
The tennis court has a gravel surface.
这个网球场是砾石表面的。
沙哑的嗓音
After shouting all day, he had a voice like gravel.
喊了一整天后，他的嗓音沙哑得像砂砾。
声音沙哑
She woke up with a mouthful of gravel and could barely speak.
她醒来时声音沙哑，几乎说不出话。
Choose the next layer that will help you use gravels with more confidence.
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Preparing Confusing words
Complete this area with confusing words.
Dictionary facts from ECDICT, WIKTIONARY.