pretracttion
To exert a forward-moving force or tension on a physical structure, usually as a preliminary step in a technical or medical process. It involves drawing a component toward the front or applying tension prior to a primary action to ensure proper alignment or stability.
例句
3 / 5We had to pretracttion the tension cables before the main bridge suspension was hoisted.
We had to pretracttion the tension cables before the main bridge suspension was hoisted.
The surgeon decided to pretracttion the mandibular structure to facilitate better access to the dental nerve.
The surgeon decided to pretracttion the mandibular structure to facilitate better access to the dental nerve.
If you don't pretracttion the line first, the whole thing is going to snap once we start the engine.
If you don't pretracttion the line first, the whole thing is going to snap once we start the engine.
词族
记忆技巧
Think of a 'Tractor' (tract) that is 'Pre' (before) the main job, 'pulling' the equipment forward into place.
快速测验
The technician had to ______ the specialized wire to ensure there was no slack before the test began.
正确！
正确答案是： pretracttion
例句
We had to pretracttion the tension cables before the main bridge suspension was hoisted.
everydayWe had to pretracttion the tension cables before the main bridge suspension was hoisted.
The surgeon decided to pretracttion the mandibular structure to facilitate better access to the dental nerve.
formalThe surgeon decided to pretracttion the mandibular structure to facilitate better access to the dental nerve.
If you don't pretracttion the line first, the whole thing is going to snap once we start the engine.
informalIf you don't pretracttion the line first, the whole thing is going to snap once we start the engine.
In this experimental model, we pretracttion the specimen to three Newtons of force to eliminate slack in the fiber.
academicIn this experimental model, we pretracttion the specimen to three Newtons of force to eliminate slack in the fiber.
The engineering team must pretracttion the assembly components to meet the safety standards for the new prototype.
businessThe engineering team must pretracttion the assembly components to meet the safety standards for the new prototype.
词族
常见搭配
常用短语
apply pretracttion
apply pretracttion
state of pretracttion
state of pretracttion
pretracttion toward the anterior
pretracttion toward the anterior
容易混淆的词
Protraction usually refers to the prolongation of time or a specific anatomical movement (like the shoulder), while pretracttion specifically implies a preparatory pull forward.
Retraction is the opposite action, meaning to pull something backward or inward.
使用说明
This word is highly technical and primarily used in medical (orthodontics) or engineering contexts. It is rarely used in general conversation and is typically treated as a transitive verb requiring a direct object.
常见错误
Learners often confuse this with 'protract,' which more commonly refers to making something last longer (like a meeting). Using 'pretracttion' in a non-technical context may sound confusing.
记忆技巧
Think of a 'Tractor' (tract) that is 'Pre' (before) the main job, 'pulling' the equipment forward into place.
词源
Derived from the Latin 'prae-' (before) and 'trahere' (to pull or draw).
语法模式
快速测验
The technician had to ______ the specialized wire to ensure there was no slack before the test began.
正确！
正确答案是： pretracttion
相关词汇
相关词
complement
A2A thing that completes or brings to perfection something else. In grammar, it refers to a word or phrase that follows a verb and provides more information about the subject or object.
compound
A2Describes something that is made of two or more separate parts or elements joined together. It is often used to talk about words, sentences, or chemical substances that have multiple components.
conceive
A2To form an idea, plan, or concept in the mind. It is also the medical term used to describe when a woman becomes pregnant.
confer
A2To discuss something with other people in order to reach a decision or exchange ideas. It can also mean to officially give an honor, title, or degree to someone.
conform
A2To behave according to rules, standards, or what is expected by a group of people. It means to fit in or act in a way that matches others.
consecutive
A2Following one after another in a continuous series without any breaks. It describes things that happen in a logical order, like numbers (1, 2, 3) or days (Monday, Tuesday, Wednesday).
consistency
A2Consistency is the quality of always acting or behaving in the same way. it also describes how thick or smooth a liquid or substance is.
disclude
B1Describing a state where someone or something is left out, omitted, or not allowed to participate in a group or activity. It refers to the condition of being kept apart from a whole or a set.
antiformous
B1Describes a shape or structure that is curved or folded upwards like an arch. It is most often used in geology and geometry to describe a convex surface.
interspect
B1Describing a person who is thoughtful and focused on their own internal thoughts and feelings. It refers to the act of looking inward to examine one's own emotions and motives rather than focusing on external things.
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