电

diàn electric; electricity; electrical

竞赛

jìng sài race; competition; CL:個|个[ge4]

事

shì matter; thing; item; work; affair; CL:件[jian4],樁|桩[zhuang1],回[hui2]

竞猜

jìng cāi to try to answer a question (in a quiz, guessing game, riddle etc); quiz game

平台

píng tái platform; terrace; flat-roofed building

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

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