1
a rock
表示单个岩石，可数。
I picked up a smooth rock from the river.
我从河里捡起一块光滑的岩石。
岩石；石头；石块
先理解核心含义，再看它在真实句子里的用法。
岩石；石头；石块
Hard natural material made of minerals; a piece or mass of stone.
I picked up a smooth rock from the river.
我从河里捡起一块光滑的岩石。
矿物的形成物,具体指:
A formation of minerals, specifically:
摇动的动作；摇摆；晃动。
An act of rocking; a rocking motion; a sway.
一种以基本鼓点、通常为4/4拍即兴段为特征的音乐风格,以(通常为电)吉他、贝斯、鼓、键盘(常有)和人声为基础。
A style of music characterized by basic drum-beat, generally 4/4 riffs, based on (usually electric) guitar, bass guitar, drums, keyboards (often), and vocals.
手纺杆。
Distaff.
He picked up a rock from the ground.
他从地上捡起一块岩石。
AI contextual example
The mountain is made of solid rock.
这座山是由坚固的岩石构成的。
AI contextual example
She sat on a large rock by the river.
她坐在河边的一块大岩石上。
AI contextual example
he threw a rock at me
他朝我扔了一块石头。
WordNet
表示单个岩石，可数。
I picked up a smooth rock from the river.
我从河里捡起一块光滑的岩石。
复数形式表示多个岩石。
The children threw rocks into the pond.
孩子们把石块扔进池塘。
定冠词特指某块岩石。
The rock on the cliff is very old.
悬崖上的那块岩石非常古老。
物质名词，不可数。
The cave is made of solid rock.
这个洞穴由坚固的岩石构成。
Not this
The wall is built with a rock.
Use this
The wall is built with rock.
当rock表示“岩石材料”时是不可数名词，不加冠词。用“a rock”表示一块具体的石头，但此处指材料，应使用不可数形式。
Not this
There are many rock in the river.
Use this
There are many rocks in the river.
当rock表示可数的“石块”时，需要加-s变成复数形式。中文“很多石头”没有复数标记，但英文要加s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
硬岩
The tunnel was dug through hard rock.
隧道是从硬岩中挖出来的。
坚固的岩石
The foundation must be built on solid rock.
地基必须建在坚固的岩石上。
岩壁
The climbers ascended the steep rock face.
攀登者登上了陡峭的岩壁。
岩石构造
These rock formations are millions of years old.
这些岩石构造已有数百万年历史。
攀岩
Rock climbing requires strength and skill.
攀岩需要力量和技巧。
进退两难
I'm stuck between a rock and a hard place—if I quit, I'll lose my income; if I stay, I'll be miserable.
我进退两难——辞职会失去收入，留下又会很痛苦。
濒临崩溃（尤指婚姻）或加冰的（饮料）
Their marriage has been on the rocks for years.
他们的婚姻多年来一直濒临破裂。
最低点，谷底
After losing his job and his home, he hit rock bottom.
失去工作和家后，他跌到了谷底。
我们要，我们要震撼你
The crowd sang along to 'We Will Rock You' by Queen.
人群跟着皇后乐队的《We Will Rock You》一起唱。
你闻到巨石在煮什么了吗！
Dwayne Johnson, known as The Rock, delivered his iconic catchphrase in WWE.
道恩·强森，人称‘巨石’，在WWE中喊出了他的经典口号。
Use rock naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象岩石（rock）像一把锁（lock）一样坚固，发音相近。
中性，日常或专业场景均可使用，通常用于描述地质、建筑或户外环境。
作可数名词时指一块岩石；泛指岩石物质时也可用作不可数名词。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.