true up
collocation校准；调准
You need to true up the wheels before riding.
骑车前你需要校准车轮。
校直；调准；使平直
trueing — present participle of true · irregular form
先理解核心含义，再看它在真实句子里的用法。
校直；调准；使平直
to make something straight, level, or accurately aligned, especially by adjusting it
Before cutting the wood, he trued the edge with a plane.
在切割木头之前，他用刨子把边缘刨直。
常与 up 连用，如 true up 表示“校直、校准”。
使(应直的物体)变直；校正
To straighten (something that is supposed to be straight).
使平整、水平、对称或精确；对准；调整(常后接up)
To make even, level, symmetrical, or accurate, align; adjust (often followed by up).
使水平、方正、平衡或同心
make level, square, balanced, or concentric
true
Base
原形
trues
3rd person
第三人称单数
truing
-ing
现在分词
trued
Past
过去式
trued
Past participle
过去分词
He trues the edge of the board.
他把木板边缘弄平。
She trued the wheel yesterday.
她昨天矫正了轮子。
They have trued the frame.
他们已经调正了框架。
The mechanic trued the bicycle wheel so it would spin smoothly.
机械师校正了自行车车轮，使它平稳转动。
AI contextual example
You need to true up the frame before you hang the door.
你在挂门之前需要把门框校正。
AI contextual example
true up the cylinder of an engine
校准发动机的气缸。
WordNet
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校准；调准
You need to true up the wheels before riding.
骑车前你需要校准车轮。
校正车轮
The mechanic trued the bicycle wheel.
修车师傅校正了自行车车轮。
校直刀片
He trued the saw blade with a special tool.
他用专用工具校直了锯片。
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。
校直框架
The technician trued the damaged frame.
技术员校直了受损的框架。
校准；调准；使精确
We need to true up the quarterly figures before reporting them.
上报之前我们需要校准季度数据。
Use trueing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
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。
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。
及物动词，后接名词或代词
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.