bolt

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音标发音

英式音标 [bəʊltbəult]
美式音标 [boʊlt]
英式发音
美式发音

基本解释

n. 螺栓，螺钉；闪电，雷电；门闩；弩箭;（布的）一匹，一卷
vt. 筛选；囫囵吞下；（把门、窗等）闩上；突然说出，脱口说出
vi. （门窗等）闩上，拴住；冲出，跳出；（马等的）脱缰；囫囵吞下
adv. 突然地；像箭似地；直立地

词源解说

直接源自古英语的bolt，意为短的，重头猛矢。

词根记忆

大胆(bold)打开插销(bolt)冲出去
大胆(bold)不怕雷电(bolt)劈

同根派生

bolt相关词

用法辨析

v. (动词)

bolt的基本意思是指由于着急或慌张而急于离开某地,因此具有“奔,窜”之意,强调的是动作; 用于吃食物时则具有“狼吞虎咽”的意味。
bolt作“闩上”解时,其宾语多为门或窗之类的名词。

英汉例句

用作名词 (n.)

Parts of many machines are held together by bolts.
许多机器的零件都是用螺栓固定的。

用作动词 (v.)

用作不及物动词: S+～(+A)

The horse took fright and bolted.
马受惊而脱逃。

用作及物动词: S+～+ n./pron.

Remember to bolt all the doors and windows.
记着把所有的门窗都关上。

bolt更多例句

词组短语

用作名词 (n.)

动词+～

fasten a bolt 拧紧螺栓

介词+～

by bolt 以栓
with bolt 用插销

～+介词

bolt on the door 门闩

用作动词 (v.)

～+名词

bolt the doors and windows 关门窗

～+副词

bolt down 沿着…跑
bolt sb in 把某人关在室内
bolt off 飞跑
bolt sb out 把某人关在门外

bolt更多词组

英英字典

剑桥英英字典

(LOCK) a metal bar on a door or window that slides across to lock it closed
(SCREW) a screw-like metal object without a point, used with a nut to fasten things together
(LIGHTNING) a flash of lightning that looks like a white line against the sky
(ROLL) a length or roll of cloth or wallpaper
(WEAPON) a type of short arrow shot from a crossbow (= a type of weapon)
(QUICK MOVEMENT) to try to escape by running towards something
(MOVE QUICKLY) to move very fast, especially as a result of being frightened
(EAT) to eat food very quickly
(LOCK) to lock a door or window by sliding a bolt across
(SCREW) to fasten something in position with a bolt

柯林斯英英字典

A bolt is a long metal object that screws into a nut and is used to fasten things together.
When you bolt one thing to another, you fasten them firmly together, using a bolt.
A bolt on a door or window is a metal bar that you can slide across in order to fasten the door or window.
When you bolt a door or window, you slide the bolt across to fasten it.
If a person or animal bolts, they suddenly start to run very fast, often because something has frightened them.
If you bolt your food, you eat it so quickly that you hardly chew it or taste it.
to pass (flour, a powder, etc) through a sieve
Bolt down means the same as .
A bolt of lightning is a flash of lightning that is seen as a white line in the sky.
If someone is sitting or standing bolt upright, they are sitting or standing very straight.

专业释义

能源科学技术

螺栓
The design principle is obtained after the typical bolt fastening structure is analyzed with finite element method and orthogonal test. The math model of the direct-driven control system is established, and the exterior disturbance and compensation proposal is analyzed.
对动导轨典型螺栓紧固结构结合正交试验方法进行了有限元分析,得出了设计原则。
锚杆

土木建筑工程

螺栓
门栓
插销

机械工程

螺钉
螺栓

农业科学

(尤指栽培植物)过早开花结籽，过早生籽(成结实)，不到期结实；长得过高而不宜食用：

军事学

枪机
枪栓

体育

(猎狗)把(狐狸)赶出兽穴：

印刷、复印技术

折叠毛边

计算机科学技术

螺栓
同步器

交通运输工程

锚杆