It'sounded like he was calling from a hands - free speakerphone inside a car.
聽起來(lái)好像他從車?yán)锏拿馓釗P(yáng)聲電話打來(lái)的.
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Connecting an ear piece or switching on speakerphone will reduce radiation exposure.
耳機(jī)通話和免提都可以減少輻射.
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Speakerphone calls a bit of distortion.
免提通話有點(diǎn)扭曲了.
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