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a derrick + present-participle phrase
derrick 是可数名词，此处指油井上方的井架；现在分词短语 standing over the oil well 作后置定语。
A derrick standing over the oil well can be seen from the road.
从路上可以看到矗立在油井上方的井架。
井架；钻塔
derricks — plural of derrick
先理解核心含义，再看它在真实句子里的用法。
井架；钻塔
a framework erected over an oil well to allow drill tubes to be raised and lowered
A derrick standing over the oil well can be seen from the road.
从路上可以看到矗立在油井上方的井架。
用于起吊和搬运大型物体的装置。
A device that is used for lifting and moving large objects.
架设在矿井或油井上方用于钻孔或下放管道的井架。
A framework that is constructed over a mine or oil well for the purpose of boring or lowering pipes.
The workers used a tall derrick to lift the steel beams onto the new bridge.
工人们用一台高大的起重机把钢梁吊到新桥上。
A mobile derrick was brought in to unload the heavy containers from the ship.
一台移动式起重机被调来从船上卸下重型集装箱。
They rented a derrick to raise the air conditioner onto the hotel roof.
他们租了一台起重机把空调吊到酒店屋顶上。
derrick 是可数名词，此处指油井上方的井架；现在分词短语 standing over the oil well 作后置定语。
A derrick standing over the oil well can be seen from the road.
从路上可以看到矗立在油井上方的井架。
that 引导的定语从句修饰 the derrick，说明其功能或用途。
The derrick that lifts the drill pipe is operated by a small crew.
提升钻杆的井架由一小队人操作。
with a derrick 表示借助吊杆起重机这一工具或方式。
Workers loaded the heavy cargo onto the ship with a derrick.
工人们用吊杆起重机把沉重的货物装上船。
Not this
The oil field has many derrick.
Use this
The oil field has many derricks.
中文名词没有复数变化，所以学习者容易在 many 后用单数 derrick；但 derrick 是可数名词，many 后必须用复数 derricks。
Not this
The derrick is built on the oil well.
Use this
The derrick is built over the oil well.
汉语的“在……上”不区分接触表面和悬在上方，而英语 on 表示接触表面，over 表示在上方；井架架在井口上方，所以应该用 over，不是 on。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
石油井架
The oil derrick stood against the sky.
石油井架耸立在天空下。
钻塔
The crew assembled the drilling derrick before drilling began.
钻井开始前，工人们组装了钻塔。
吊杆起重机
A derrick crane lifted the heavy steel beams.
一台吊杆起重机吊起了沉重的钢梁。
浮式起重机船
The derrick barge was used for offshore construction.
这艘浮式起重机船用于海上施工。
刚性支腿起重机
A stiff-leg derrick can handle very heavy loads.
刚性支腿起重机可以处理非常重的负载。
Use derricks naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“derrick”读作“德里克”：高高的井架配人字吊臂，仿佛在说“得立刻”把重物吊起。
语域：mixed 常见场景：oil drilling、construction site derrick 作名词时通常指石油钻井用的井架/钻塔，或一种吊杆起重机，多用于石油、建筑等专业或技术场合，属于比较正式的中性用语，日常口语中比较少见。
Eric、cleric、ferric 与 derrick（/ˈdɛrɪk/）押韵：重音都在第一音节，押韵部分为 /ɛrɪk/。rick 虽然拼写像 derrick 的结尾，但作为单独单词读单音节 /rɪk/，重音位置不同，因此并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.