e 世博

Shì bó abbr. for 世界博覽會|世界博览会[Shi4 jie4 Bo2 lan3 hui4], World Expo

app 下载

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

平台

píng tái platform; terrace; flat-roofed building

官方

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

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

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