单词	twin
释义	noun | adjective | verb twintwin1 /twɪn/ ●●● S3 noun [countable] one of two children born at the same time to the same mother:  My brother and I are twins. → see also conjoined twins, identical twin, fraternal twin, Siamese twin noun | adjective | verb twintwin2 ●●○ adjective [only before noun] Etymology ETYMOLOGYtwin2 Origin: Old English twinn double Collocations COLLOCATIONS► twin boys/girls  She gave birth to twin girls. ► twin goals/objectives/aims  How can we reach these twin goals? 1twin sister/brother/daughters etc. someone who is a twin:  Did you know George has a twin sister?twin boys/girls She gave birth to twin girls.2like something else and considered with it as a pair:  the twin towers of the cathedral3used to describe two things that happen at the same time and are related to each other:  the twin problems of poverty and unemploymenttwin goals/objectives/aims How can we reach these twin goals? [Origin: Old English twinn double] noun | adjective | verb twintwin3 verb (twinned, twinning) [transitive usually passive] Verb Table VERB TABLE twin Simple Form Present I, you, we, they twin he, she, it twins Past I, you, he, she, it, we, they twinned Present perfect I, you, we, they have twinned he, she, it has twinned Past perfect I, you, he, she, it, we, they had twinned Future I, you, he, she, it, we, they will twin Future perfect I, you, he, she, it, we, they will have twinned Continuous Form Present I am twinning he, she, it is twinning you, we, they are twinning Past I, he, she, it was twinning you, we, they were twinning Present perfect I, you, we, they have been twinning he, she, it has been twinning Past perfect I, you, he, she, it, we, they had been twinning Future I, you, he, she, it, we, they will be twinning Future perfect I, you, he, she, it, we, they will have been twinning to form a relationship between two places, people, or ideas, or make people think that this relationship exists: twin somebody/something with somebody/something The Democrat and the Republican were twinned with each other in front of the TV cameras.
随便看	volition volley volleyball volt Volta, Alessandro voltage voltaic cell Voltaire Volta, the volte-face voltmeter volubility voluble volubly volume voluminous voluntarily voluntarism voluntary voluntary muscle volunteer volunteerism voluptuary voluptuous voluptuously

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