loop

英 [luːp]

美 [luːp]

n.  环形; 环状物; 圆圈; (绳、电线等的)环，圈; 循环电影胶片; 循环音像磁带
v.  使成环; 使绕成圈; 成环形运动

复数：loops　现在分词：looping　过去分词：looped　过去式：looped　第三人称单数：loops　

CET4CET6考研TOEFLIELTSGRETEM4TEM8计算机

Collins.2 / BNC.4755 / COCA.4250

习惯用语

n.

in the loopout of the loop
• 属（处理要务的）圈内／圈外人士
  part of a group of people that is dealing with sth important; not part of this group
knock/throw sb for a loop
• 使震惊；使惊讶
  to shock or surprise sb

v.

loop the loop
• （使飞机）翻跟头飞行
  to fly or make a plane fly in a circle going up and down

牛津词典

noun

• 环形；环状物；圆圈
  a shape like a curve or circle made by a line curving right round and crossing itself
  1. The road went in a huge loop around the lake.
     那条路环湖绕了一个大圈。
• （绳、电线等的）环，圈
  a piece of rope, wire, etc. in the shape of a curve or circle
  1. He tied a loop of rope around his arm.
     他在手臂上用绳子系了一个圈。
  2. Make a loop in the string.
     在绳子上打个圈。
  3. a belt loop (= on trousers/pants, etc. for holding a belt in place)
     皮带襻
• 循环电影胶片；循环音像磁带
  a strip of film or tape on which the pictures and sound are repeated continuously
  1. The film is on a loop.
     这部电影已制成循环音像磁带。
  2. His mind kept turning in an endless loop.
     他思绪万千。
• 循环；回路；（程序中）一套重复的指令
  a set of instructions that is repeated again and again until a particular condition is satisfied
• 环路；回线；回路
  a complete circuit for electrical current
• （铁道或公路的）环线
  a railway line or road that leaves the main track or road and then joins it again
• 大环（指美国芝加哥市的商业中心）
  the business centre of the US city of Chicago

verb

• 使成环；使绕成圈
  to form or bend sth into a loop
  1. He looped the strap over his shoulder.
     他把带子绕了一个圈挎在肩上。
• 成环形运动
  to move in a way that makes the shape of a loop
  1. The river loops around the valley.
     那条河顺着山谷绕了个大弯儿。
  2. The ball looped high up in the air.
     球高高飞起，在空中画了一条弧线。

柯林斯词典

• N-COUNT （绳等形成的）圈，环
  Aloopis a curved or circular shape in something long, for example in a piece of string.
  1. Mrs. Morrell reached for a loop of garden hose.
     莫雷尔太太伸手去拿绕成圈的花园浇水用的软管。
• VERB 把（绳等）打成圈（或环）
  If youloopsomething such as a piece of rope around an object, you tie a length of it in a loop around the object, for example in order to fasten it to the object.
  1. He looped the rope over the wood...
     他把绳子绕到木头上。
  2. He wore the watch and chain looped round his neck like a medallion.
     他将链表绕挂在脖子上，就像戴了一枚大奖章。
• VERB 打环；成圈
  If somethingloopssomewhere, it goes there in a circular direction that makes the shape of a loop.
  1. The enemy was looping around the south side...
     敌人正从南侧包抄过来。
  2. The helicopter took off and headed north. Then it looped west, heading for the hills.
     直升机起飞后向北飞行，接着又兜向西边，朝山那边飞去。
• PHRASE 属于/不属于圈内人士
  If someone isin the loop, they are part of a group of people who make decisions about important things, or they know about these decisions. If they areout of the loop, they do not make or know about important decisions.
  1. I think that the vice president was in the loop...
     我认为副总统是局内人。
  2. These activists don't want to feel out of the loop.
     这些活跃分子不想做局外人。

英英释义

noun

• a flight maneuver
  Synonym:loop-the-loop
• a complete electrical circuit around which current flows or a signal circulates
  Synonym:closed circuit
• fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
  Synonym:cringleeyeletgrommetgrummet
• an intrauterine device in the shape of a loop
• the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
  Synonym:loop topology
• a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
• the basic pattern of the human fingerprint
• an inner circle of advisors (especially under President Reagan)
  1. he's no longer in the loop
• (computer science) a single execution of a set of instructions that are to be repeated
  1. the solution took hundreds of iterations
  Synonym:iteration
• anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)

verb

• fasten or join with a loop
  1. He looped the watch through his belt
• wind around something in coils or loops
  Synonym:coilcurl
• make a loop in
  1. loop a rope
  Synonym:intertwine
• fly loops, perform a loop
  1. the stunt pilot looped his plane
• move in loops
  1. The bicycle looped around the tree

双语例句

• This is an error because you now have an infinite loop.
  出现此错误的原因是现在运行了一个无限循环。
• A reactor is a loop that monitors and responds to I/ O events.
  反应器是一个监控I/O事件并对这些事件做出响应的循环。
• Build a system dynamics model of the project including causal loop diagrams and governing equations.
  建立该项目的系统动态模型，包括因果环路图和控制方程。
• I think that the vice president was in the loop
  我认为副总统是局内人。
• Because the same callback is already defined, the process repeats in an endless loop.
  由于已经定义了同一个回调，该过程将在一个无限循环中重复。
• The complex control for IHAPF is composed of frequency dividing control and hysteresis loop control.
  IHAPF复合控制由分频控制和滞环控制构成。
• This closes the loop.
  这样就关闭了椭圆。
• These activists don't want to feel out of the loop.
  这些活跃分子不想做局外人。
• He looped the rope over the wood
  他把绳子绕到木头上。
• A seconds-based timeout is also used in this loop to reset the knock sequences after sufficient delay.
  在这个循环中还使用了一个基于秒的超时，在足够的延时之后重置敲打序列。