twin
Word family nountwinertwinlingtwinningtwinshiptwin bedtwinflowertwinsettwin towntwinadjectivetwinnedtwin-engined
twin1 /twɪn/ ●●● S3 noun [countableC] 
CHILDone of two children born at the same time to the same mother 双胞胎中的一个 → identical twin, Siamese twin
CHILDone of two children born at the same time to the same mother 双胞胎中的一个 The twins are now eight months old.
这对双胞胎现在已经八个月大了。
Examples from the Corpus
twin• They look enough like each other to be twins.• Noelle and Craig are fraternal twins.• Sally and her twin sister still spend a lot of time together now that they are adults.• But for identical twins - who share the same genes - it rockets to 45 percent if one twin is already divorced.• There have been a lot of interesting studies done on identical twins separated at birth.• Identical twins, clearly, are far more concordant in general than are fraternal twins.• Evidence supporting a genetic component to predisposition comes mainly from a large study of 15924 male twin pairs.• Joey's my twin.• Split twins, passionate, dramatic, vicious, intelligent.• They take him, his brother Malachy, 3, and the twins, 1.• The twins stood over it, stirring the last embers with their feet.• I never realized that you and Sammy were twins.
twin2 ●●○ adjectiveadj [only before noun]
1 used to describe one of two children who are twins 双胞胎的
twin sister/brother
Meet my twin sister.
见见我的双胞胎姐姐。
2 TIME/AT THE SAME TIMEused to describe two things that happen at the same time and are related to each other 同时出现的，密切相关的
the twin problems of poverty and unemployment
贫穷和失业这对孪生问题
3 twin room/bedroom a room that contains two single beds 〔有两张单人床的〕双人房间/卧室
→ twinset, twin town All the twin rooms have private bathrooms.
所有的双人房间都配有独立卫生间。
Examples from the Corpus
twin room/bedroom• All of the twin rooms and most of the singles have an en-suite shower/WC.• The twin bedrooms are airy, spacious and comfortably furnished.• All the twin rooms are comfortable, and all overlook the attractive courtyard.• Bedrooms have telephone and twin rooms have a balcony.• Some twin rooms have a balcony.• Half board prices are based on twin rooms which can take two extra sofa beds.• Some twin bedrooms which will have a balcony and sea view are available at a supplement.• Prices are based on two people sharing a twin room with private facilities.
Examples from the Corpus
twin• Some twin bedrooms which will have a balcony and sea view are available at a supplement.• I asked for a room with twin beds.• He was staring at the twin beds.• the new twin bridges over the river Clyde• It was Michael who introduced me to his twin brother Milton.• the twin cities of Minneapolis and St. Paul• a PC with twin disk drives• When I first saw them I thought they were twin girls.• The twin problems of ecological and individualist fallacies occur when inferences are drawn about one level of analysis using evidence from another.• twin towers• All bedrooms are twin with private bathroom; some with a balcony.
twin sister/brother• She now believes the boy was her twin brother.• Sheer panic: Accused describes the barn fire that killed twin sisters.• I have a twin brother and it seemed that he was allowed to do all the things I wasn't.• My twin brother appeared by the age of about ten to have some hearing loss.• Some may find him placing far too much emphasis on the impact of his alcoholic parents and stillborn twin brother, Jesse.• Mr Goldring said that after Becky died her twin sister Katie was brought into the hospital purely for observation.• He has a twin brother named Arthur, who is also 126 at the university here.• These twin brothers were Giants, but they did not look like the monsters of old.
twin3 verb (twinned, twinning) [transitiveT]
1 British EnglishBrE to form a relationship between two similar towns in different countries in order to encourage visits between them 使〔不同国家的两个类似城市〕结为姐妹城市
be twinned with something
Chichester in England is twinned with Chartres in France.
英格兰的奇切斯特和法国的沙特尔结成了姐妹城市。
2 PGto form a relationship between two places, people, or ideas 使〔两地、两人或两种思想〕紧密结合，使相连
be twinned with something
Dole has been twinned in the history books with his old rival Bush.
在历史书里，多尔和他的老对手布什紧密联系在一起。
n Grammar
→ twin townTwin is usually passive.
Examples from the Corpus
twin• None the less we are twinned with a small town in Hampshire with which we have no real connection.• The East Lothian town has been twinned with Champigny-sur-Marne for more than 30 years.
Old English twinn “double”