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tinfoil

noun
🔊/ˈtɪnfɔɪl/
🔊/ˈtɪnfɔɪl/
(also foil)
[uncountable]
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  1. metal made into very thin sheets that is used for covering or wrapping things, especially food（包裹食物等用的）锡箔，锡纸
    • Cover with tinfoil and bake for 20 minutes.盖上锡箔纸，烘烤20分钟。