此次活动在楼三楼举行，参加者于4月20日前报名的翻译：Held in art building, third floor, this event, participants on April 20, before the 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Held in art building, third floor, this event, participants on April 20, before the

This activity holds in the artistic building three buildings, the participant registers before April 20

This event held in the artistic level 3 of building, participants in the application before 20 April

Held in art building, third floor, this event, participants on April 20, before the