jackscrew

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
jackscrew 是一种利用螺旋原理进行起重或调整的设备,常用于机械工程和牙科矫正领域。

用法要点

句型搭配

jackscrew 通常作为名词使用,在句子中作主语或宾语,描述起重或调整的动作。

• The jackscrew lifted the heavy machinery.
• We need a jackscrew to adjust the alignment.

介词用法

jackscrew 常与介词 with 或 by 连用,表示使用工具或方式;也可与 for 连用表示用途。

• Raise the platform with a jackscrew.
• The adjustment was made by a jackscrew.
• This jackscrew is for dental applications.

语域说明

jackscrew 属于技术术语,主要用于机械工程、牙科医学等专业领域,日常口语中较少使用。

• In orthodontics, a jackscrew is used for expansion.
• The engineer specified a jackscrew in the design.

基础例句

We used a jackscrew to lift the car and change the tire.

我们用螺旋起重机把车抬起来换轮胎。

The dentist explained how the jackscrew would help straighten my teeth.

牙医解释了螺旋正牙器如何帮助矫正我的牙齿。

Can you pass me that jackscrew? I need to adjust this shelf.

你能把那个螺旋起重机递给我吗?我需要调整这个架子。

The old jackscrew in the garage is still useful for heavy lifting.

车库里的旧螺旋起重机在起重时仍然很有用。

高级例句

In mechanical engineering, a jackscrew is often employed for precise load positioning in assembly lines.

在机械工程中,螺旋起重机常用于装配线上精确定位负载。

The orthodontic treatment plan includes a jackscrew to expand the patient's dental arch over six months.

正畸治疗计划包括使用螺旋正牙器,在六个月内扩展患者牙弓。

Our company's new product features a jackscrew mechanism for enhanced stability in construction equipment.

我们公司的新产品采用螺旋起重机机制,以提高建筑设备的稳定性。

Research indicates that jackscrews in dental appliances can effectively correct crossbites with minimal discomfort.

研究表明,牙科器械中的螺旋正牙器能有效矫正反颌,且不适感最小。

高频搭配

verb

use a jackscrewoperate a jackscrewadjust with a jackscrewlift using a jackscrewinstall a jackscrew

adjective

heavy-duty jackscrewdental jackscrewmechanical jackscrewportable jackscrewprecision jackscrew

noun

jackscrew mechanismjackscrew assemblyjackscrew designjackscrew applicationjackscrew force

adverb

manually operated jackscrewslowly turn the jackscrewcarefully adjust the jackscrew

preposition

with a jackscrewby jackscrewfor jackscrew usethrough jackscrew action

phrase

jackscrew and nutjackscrew systemjackscrew in placejackscrew for alignmentjackscrew to raise

常见错误

❌ 错误:I used a jackscrew for to lift the box.
✓ 正确:I used a jackscrew to lift the box.

错误:误用了 'for to' 结构,这在英语中不标准。正确:应直接用 'to' 表示目的,'jackscrew to lift' 意为'用于抬起的螺旋起重机'。

❌ 错误:The jackscrew is very heavy, so it can't be moved easy.
✓ 正确:The jackscrew is very heavy, so it can't be moved easily.

错误:用了形容词 'easy' 修饰动词 'moved'。正确:应用副词 'easily' 修饰动词,'moved easily' 意为'容易移动'。

近义词辨析

screw jack

screw jack 是 jackscrew 的同义词,两者常互换使用,但 screw jack 更强调螺旋起重机的整体装置,而 jackscrew 可能更侧重于螺旋部分本身。

A screw jack is commonly used in automotive repair, similar to a jackscrew.

jack

jack 是一个更通用的词,泛指各种起重设备,如液压千斤顶,而 jackscrew 特指利用螺旋原理的起重机,更精确和专业。

Use a jack to lift the car, but for fine adjustment, a jackscrew is better.