聽力保護與降噪等級 👂🛡️ (Hearing Protection and the Noise Reduction Rating)

US /dɪˈtɚmɪn/

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UK /dɪ'tɜ:mɪn/

US /ɡret/

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UK /ɡreɪt/

US /'vaɪtl/

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UK /'vaɪtl/

US /saʊnd/

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UK /saʊnd/