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Unit 2: BIRD MIGRATION
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1. Obscure
/maɪˈɡreɪʃən/ (n.) movement from one place to another Bird migration generally takes place twice a year. In the spring and autumn.
/ˈfæsəneɪt/ (v.) to interest greatly The study of the lives of birds fascinates many people.
/əbˈskjʊə $ -ˈskjʊr/ (v.) to make difficult to see When the stars are obscured by clouds, nocturnal migrants may become confused and return to land or stray off course.
/ɪnˈdjʊə $ ɪnˈdʊr/ (v.) to live under difficult conditions … winter season in nearby valleys, enduring some of the coldest conditions on Earth.
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