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English definition of “thermal underwear”

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thermal underwear

noun [U] uk   ( informal thermals) us  
underwear that has been specially designed to keep you warm
Translations of “thermal underwear”
in Chinese (Traditional) 保暖內衣…
in Chinese (Simplified) 保暖内衣…
(Definition of thermal underwear from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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