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diàn zǐ electronic; electron (particle physics)

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guān fāng government; official (approved or issued by an authority)

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miǎn fèi free (of charge)

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xià zǎi to download; also pr. [xia4 zai4]

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

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