bolt

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。

• bolt使用方法
• bolt详细辨析

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.

• bolt剑桥字典
• bolt柯林斯字典

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