a stone
He picked up a stone.
他捡起一块石头。
石料；石材；岩石；石质材料；硬质固化的矿物块或团；切割成特定形状的岩石建筑材料；构成地壳的矿物集合材料
a hard lump or piece of mineral matter
硬质固化的矿物块或团
a lump or mass of hard consolidated mineral matter
切割成特定形状的岩石建筑材料
building material consisting of a piece of rock hewn in a definite shape for a special purpose
构成地壳的矿物集合材料
material consisting of the aggregate of minerals like those making up the Earth's crust
He picked up a smooth stone from the riverbank and skipped it across the water.
他从河岸捡起一块光滑的石头，把它打水漂扔过水面。
用法提示：stone 作名词，指一块小石块。
AI contextual example
The cottage was built of local grey stone, so it looked as if it grew out of the hillside.
这座小屋用当地灰色石料建成，看起来像是从山坡上长出来的。
用法提示：stone 为不可数名词，意为石料、石材。
AI contextual example
The path was covered with small stones that made walking a little tricky.
小路上铺满了小石子，走起来有点费劲。
用法提示：stones 是 stone 的复数形式，指多块小石头。
AI contextual example
He picked up a stone.
他捡起一块石头。
The path is covered with small stones.
小路覆盖着小石子。
stone 作物质名词时不可数，不加冠词。
The sculpture is carved from stone.
这座雕塑是用石头雕刻的。
rock 比 stone 更泛指，stone 常指较小的石块或加工过的石头
pebble 仅指很小的圆形石头，不能替代大石头
boulder 指非常大的石头，与 stone 的大小差异明显
cobble 通常指铺路用的圆形石头，较 specialized
gem 仅指石头中可用于珠宝的贵重部分，不通用
grammar · medium
易错句子I found stone on the ground.
正确表达I found a stone on the ground.
中文的“石头”可以泛指石头这种东西，但英语中表示一块具体的石头时必须使用可数名词形式，加上不定冠词“a”。这里“stone”作为可数名词，需要冠词。
grammar · medium
易错句子The path is made of a stone.
正确表达The path is made of stone.
当“stone”指石头这种材料时，是不可数名词，不能使用不定冠词“a”。中文的“石头”在作材料义时也不用量词，但学生受可数用法影响误加了冠词。
“stone”常指单个石块或加工成形的石头，而“rock”更强调天然的大块岩石或地质学上的岩层。
“stone”可泛指任何大小的石头，而“pebble”特指光滑的小卵石。
扔石头
He threw a stone into the river.
他把一块石头扔进了河里。
石墙
The garden is surrounded by a stone wall.
花园被石墙围着。
宝石
She wore a ring with a precious stone.
她戴着一枚镶有宝石的戒指。
石像
There is an ancient stone statue in the park.
公园里有一座古老的石像。
垫脚石；跳板
This job is a stepping stone to a better career.
这份工作是通往更好职业的跳板。
磨石；重担
The debt became a millstone around his neck.
债务成了他的沉重负担。
一箭之遥；近在咫尺
The hotel is just a stone's throw from the beach.
酒店离海滩只有一箭之遥。
千方百计；竭尽全力
The detective left no stone unturned in his search for the missing child.
侦探千方百计寻找失踪的孩子。
自身有短，勿惹他人；自己有缺点就不要批评别人
Before you criticize her, remember that people who live in glass houses shouldn't throw stones.
在你批评她之前，记住自己有缺点就不要批评别人。
像一块滚石
The phrase 'like a rolling stone' from Bob Dylan's song is often used to describe someone who is restless and constantly moving.
鲍勃·迪伦歌曲中的短语'像一块滚石'常用来描述不安分、不断迁移的人。
谁没有罪，谁就可以先拿石头打她
In modern debates, the phrase 'cast the first stone' is often invoked to caution against hypocrisy.
在现代争论中，'投第一块石头'这个短语常被用来警告不要伪善。
Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, WORDNET.