loop
美音:
[lu:p
]英音:
[lu:p
]n.环,线(绳)圈,弯曲部分,回路,回线,(铁路)让车道,(飞机)翻圈飞行 vt.使成环,以圈结,以环连结 vi.打环,翻筋斗 n.循环
难易程度:
loop为六级词汇
词频:4973
词形变化:
动词过去式:looped 过去分词:looped 现在分词:looping 第三人称单数:loops
近义词, 同义词
loop
/lu:p; lup/
n
1 (a) shape produced by a curve crossing itself (曲线自绕所成的)环形, 圈
*a double loop like a figure eight 像8字的双圈
* handwriting with loops on many of the letters 把很多字母都写得带圈的笔体.
(b) any path or pattern shaped roughly like this 环形的轨迹或图案
*The plane flew round and round in wideloops. 飞机翻着大圈一圈一圈地飞行.
(c) length of string, wire, etc in such a shape, usu fastened at the crossing (绳、金属线等绕成的)环, 结
*a loop of ribbon to carry the package by 包裹上供手提的缎带套.
2 complete circuit for electric current 环形线路.
3 (computing 计) set of instructions carried out repeatedly until some specified condition is satisfied 循环.
4 contraceptive coil 避孕环.
v
1 [I, Tn, Tn.pr, Tn.p] form or bend (sth) into a loop or loops 使(某物)成环或圈
*strings of lanterns looping/looped between the branches of the trees 绕树穿枝回环成串的灯笼
* looped threads 打圈的线
* loop (up) a rope 把绳子挽成圈.
2 [Tn, Tn.pr, Tn.p] fasten or join (sth) with a loop or loops 打环扣系住(某物); 缠绕
*loop the rope round the post 把绳子缠绕在柱子上
* loop the curtains back 卷起帘子.
3 (idm 习语) ,loop the `loop (of an aircraft) fly in a complete circle vertically; (of a pilot) cause an aircraft to do this (指飞行器或驾驶员)翻圈飞行, 翻跟头飞行.