Word · CEFR A1 · Frequency #547
true
校直;调准;使平直
to make something straight, level, or accurately aligned, especially by adjusting it
常与 up 连用,如 true up 表示“校直、校准”。
- 1.
To straighten (something that is supposed to be straight).
使(应直的物体)变直;校正
- 2.
To make even, level, symmetrical, or accurate, align; adjust (often followed by up).
使平整、水平、对称或精确;对准;调整(常后接up)
- 3.
make level, square, balanced, or concentric
使水平、方正、平衡或同心
使(应直的物体)变直;校正;使平整、水平、对称或精确;对准;调整(常后接up);使水平、方正、平衡或同心
In use
Before cutting the wood, he trued the edge with a plane.
The mechanic trued the bicycle wheel so it would spin smoothly.
You need to true up the frame before you hang the door.
true up the cylinder of an engine
Verb forms
base true · third person trues · -ing truing · past trued · past participle trued
Connections
Collocations
- true up
- 校准;调准
- You need to true up the wheels before riding.骑车前你需要校准车轮。
- true a wheel
- 校正车轮
- The mechanic trued the bicycle wheel.修车师傅校正了自行车车轮。
- true the blade
- 校直刀片
- He trued the saw blade with a special tool.他用专用工具校直了锯片。
- true the surface
- 使表面平整
- Use a straightedge to true the surface of the board.用直尺把木板表面弄平整。
- true the frame
- 校直框架
- The technician trued the damaged frame.技术员校直了受损的框架。
Idioms & figurative uses
Learner notes
Memory Tip
true 作动词是“校直”:让物体变得“真·正”——真正直。把“真”和“直”合起来记。
Context & Register
语域:mixed 常见场景:woodworking、metalworking、bicycle repair true 作动词多用于木工、机械加工等专业技术语境,表示“校直、调准”,属于比较正式或书面的用语;日常口语中较少见,常用 straighten 或 adjust 替代。
Grammar Note
及物动词,后接名词或代词
Pronunciation & Spelling
这些词都与 true /truː/ 押韵,都以元音 /uː/ 结尾且后面没有辅音。拼写不同:-ue(blue, clue, glue)、-ew(crew, flew)、-ough(through)。注意形近词如 'truce' (/truːs/) 和 'truly' (/ˈtruːli/),它们在 /uː/ 后多了一个音,并不押韵。
High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 4,建议结合例句记忆,而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.