n. 1.(火车等的)行李(网)架；各种搁架[枪架、帽架、笔架等]，工具架；【航海】结绳架；【军事】(飞机的)炸弹架；【航海】餐具架；防止转动架；【机械工程】齿条，齿轨；饲草架，马槽。 2.(从前拉脱犯人四肢关节的)拉肢拷问台，拉肢刑架；拷问；(精神上或肉体上的)巨大痛苦。 短语和例子 a clothes rack 衣架。 a torpedo net rack 鱼雷防御网。 a launching rack 【火箭】发射导轨。 an underwing rack 【火箭】翼下发射导轨。 by rack of eye 依据目测估量，照估计。 come [stand up] to the [one's] rack 听天由命。 in a high rack 在高位。 live at rack and manger 过豪华[富裕]生活。 off the rack (衣服)做好了的，现成的。 on the rack 正在受拷问；忧虑，害怕 ( My ingenuity is on the rack to find a good excuse. 我正在绞尽脑汁找借口)。 put sth. on the rack 使极度紧张；使受到严格考验。 put sb. to [on] the rack 对…加以拷问。 vt. 1.对(犯人)拉肢拷问；扭伤。 2.使过分紧张，使苦痛，折磨。 3.剥削，榨取(佃户)；使(地力)变瘦。 4.把…做成架子。 5.把…搁在架子[台子]上；把(马)栓在马槽上。 短语和例子 a cough that racks one's whole body 仿佛要扯碎全身的激烈的咳嗽。 a racking headache 要爆炸似的头痛。 be racked with pain 苦痛不堪。 rack one's brains 绞尽脑汁，费尽心机。 rack rent from sb. 勒索过高地租剥削某人。 rack up 1. 获得(胜利)；得(比分)(rack up 20 points in the first half 前半场得20分。 rack up a victory 获得胜利)。 2. 彻底击败。 3. 把马拴[系]起来喂草料。 n. 〔古语〕破坏，荒废。 go to rack and ruin [manger] 走向毁灭[荒废] (＝wrack)。 n. 行云团；〔废语〕行雾。 vi. (云)随风飘动。 n. (马的)轻跑，小步跑。 vi. (马)轻跑。 vt. 把(酒槽中的酒)榨出 ( off ) 将(酒)装瓶。 n. ＝arrack.
a rapid gait of a horse in which each foot strikes the ground separately 同义词：single-foot,
a form of torture in which pain is inflicted by stretching the body
a support for displaying various articles; "the newspapers were arranged on a rack" 同义词：stand,
framework for holding objects
an instrument of torture that stretches or disjoints or mutilates victims 同义词：wheel,
the destruction or collapse of something; "wrack and ruin" 同义词：wrack,
rib section of a forequarter of veal or pork or especially lamb or mutton
torture on the rack
seize together, as of parallel ropes of a tackle in order to prevent running through the block
work on a rack; "rack leather"
stretch to the limits; "rack one''s brains"
torment emotionally or mentally 同义词：torment, torture, excruciate,
draw off from the lees; "rack wine"
fly in high wind
run before a gale 同义词：scud,
go at a rack; "the horses single-footed" 同义词：single-foot,
obtain by coercion or intimidation; "They extorted money from the executive by threatening to reveal his past to the company boss"; "They squeezed money from the owner of the business by threatening him" 同义词：extort, squeeze, gouge, wring,
put on a rack and pinion; "rack a camera"
例句与用法
1.
A coughing fit racked her whole body . 她一阵咳嗽全身都十分难受。
2.
We racked our brains for an answer . 我们为寻找答案而绞尽脑汁。
3.
Marsha's body was racked with sobs . 玛莎的身子因呜咽而抽搐着。
4.
My ingenuity is on the rack to find a good excuse . 我正在绞尽脑汁找借口。
5.
Officials racked their minds for a solution . 官员们绞尽脑汁寻求解决的办法。
6.
Our brother is upon the rack . 我们的兄弟正在经历磨难。
7.
He was racking his brain for a course of action . 他在脑子里拼命寻找一条行动的道路。
8.
I'm racking my brain to find a way to keep head above water . 我绞尽脑汁想法不欠债。
9.
My brain is continually on the rack about the means of living . 我总是为生计而伤神。
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