John selected a card from the rack.

约翰从架子上选贺卡。

Conscience racks me.

我受良心责备。

The old house soon went to rack and ruin.

这所旧房子很快就毁坏。

He had to rack his brains to solve that complicated problem.

他不得不绞尽脑汁去解决那个复杂问题。

Japan is racking up record trade surpluses with the United States.

日本与美国的贸易顺差正在创新高。

I’ve been racking my brains all day trying to remember his name.

我整天都绞尽脑汁，想要回忆起他的名字。

The pain racked him.

痛苦折磨着他。

A toothache racked my jaw.

牙疼使我的下巴难受极。

He was racked with pain.

他受疼痛之苦。

He was racked by remorse.

他悔恨交加。

The storm racked the town.

风暴在全城肆虐。

She was racked by doubts.

满腹疑虑, 痛苦极。

The affair again shows cinerary urn spaces are in such short supply that many have racked their brains to make huge profits.

这次事件，再次反映骨灰位严重短缺，使人挖空心思，以图赚取暴利。

All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.

整整晚我辗转反侧, 绞尽脑汁, 想弄明白是什么原因竟能促成这个年轻人自杀。

It consists of main decoiler, assistant decoiler, guide rack, foming machine, forming mould, flatting device, punching device, cutting-to-length, collection table, electrical control， etc.

设备由主放架、副放架、导向机架、成型主机、成型模具、校正机构、冲孔机构、切断部分、、电器控制部分等组成。

The agriculturist, Wang Chen-ho creations of wood for insertion of success, he also invented the punner racks, with a simple machine, increasing the efficiency of the typesetting.

到元代，农学家王祯创制木活字成功，他还发明转轮排字架，用简单的机械，增加排字的效率。

This paper introduces the method of simple conversion measuring and calculation for gear rack thickness with depthometer as prime measuring tool and Measuring Pin,measuring ball as auxiliary tool.

介绍以深度尺为量具,以棒、球为辅件的齿条齿厚简易转化测量与计算方法。

An intelligent clothes rack is developed with a block installed on the end of each knighthead,around which steel wire is enwind and connected to a DC motor and the clothes rail.

智能晾衣架的机械部分是在普通拉杆式晾衣架两支撑杆的端部各安装个滑轮,再穿入钢丝绳。