Tại sao khẩu trang hiệu quả hơn bạn nghĩ (Why Masks Work BETTER Than You'd Think)

US /əˈsum/

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UK /ə'sju:m/

US /ɪˈkwɪvələnt/

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UK /ɪˈkwɪvələnt/

US /səˈsɛptəbəl/

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UK /səˈseptəbl/

US /səˈner.i.oʊ/

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UK /sɪˈnɑː.ri.əʊ/