(often in compounds 常构成复合词 a piece of equipment, usually made of metal or wooden bars, that is used for holding things or for hanging things on 支架；架子 
a vegetable/wine/plate/toast rack 蔬菜架；酒瓶架；盘碟架；面包片架 I looked through a rack of clothes at the back of the shop. 我看遍了挂在商场靠里面的一架子衣服。 Remove the cakes from the oven and cool on a wire rack. 从烤箱中取出蛋糕，放在金属丝架上冷却。
Extra ExamplesTopics Shoppingc1Spread the flowers out to dry on a rack. 把花铺在架子上晾干。 The racks along the wall held most of the costumes. 大多数演出服都搁在靠墙的架子上。 The wine is stored in special racks. 酒贮存在专门的架子上。 a rack for storing apples 贮存苹果用的架子 racks of magazines 一架架杂志
Oxford Collocations Dictionaryadjective- display
- storage
- cooling
- …
- hang something on
- put something on
- put something onto
- …
- contain something
- hold something
- in a/the rack
- on a/the rack
- rack for
- …
- (usually the rack)
an instrument of torture, used in the past for punishing and hurting people. Their arms and legs were tied to the wooden frame and then pulled in opposite directions, stretching the body. （旧时的）拉肢刑具 - rack of lamb/pork
a particular piece of meat that includes the front ribs and is cooked in the oven （羊、猪等带前肋的）颈脊肉 a part of a machine that consists of a bar with parts that a wheel or gear can fit into （机器的）齿条，齿轨
Word Originnoun senses 1 to 2 and verb Middle English: from Middle Dutch rec, Middle Low German rek ‘horizontal bar or shelf’, probably from recken ‘to stretch, reach’.noun sense 3 late 16th cent.: of unknown origin.
Idioms
go to rack and ruin
to get into a bad condition 变得一团糟 More Like This Alliteration in idiomsAlliteration in idioms- belt and braces
- black and blue
- born and bred
- chalk and cheese
- chop and change
- done and dusted
- down and dirty
- in dribs and drabs
- eat somebody out of house and home
- facts and figures
- fast and furious
- first and foremost
- forgive and forget
- hale and hearty
- hem and haw
- kith and kin
- mix and match
- part and parcel
- puff and pant
- to rack and ruin
- rant and rave
- risk life and limb
- short and sweet
- signed and sealed
- spic and span
- through thick and thin
- this and that
- top and tail
- tried and tested
- wax and wane
off the rack (North American English)
(British English off the peg)
(of clothes 衣服 made to a standard average size and not made specially to fit you 成品的；现成的 He buys his clothes off the rack 他买现成的衣服 off-the-rack fashions 现成的时尚
on the rack
feeling extreme pressure, worry or pain 倍感压力；焦虑万分；痛苦不堪