HD A young woman rider prepares horse for competition communication with your show jumping equestrian training 影视素材 A young woman rider prepares horse for competition communication with your show jumping equestrian training 影视素材
4K 骑马的女子与马在风景如画的秋季沼泽小径上，在Baie d'Authie附近，靠近贝克，索姆省的地平线上行走 影视素材 骑马的女子与马在风景如画的秋季沼泽小径上，在Baie d'Authie附近，靠近贝克，索姆省的地平线上行走 影视素材
4K Math teacher explaining material sitting near whiteboard in classroom closeup cheerful schoolteacher talking lesson auditorium 股票录像 Math teacher explaining material sitting near whiteboard in classroom closeup cheerful schoolteacher talking lesson auditorium 股票录像
4K Focused tutor looking window at workplace closeup teacher checking homework smiling woman working class room alone young lady 股票录像 Focused tutor looking window at workplace closeup teacher checking homework smiling woman working class room alone young lady 股票录像
4K Educator hands correcting homework at apartment closeup teacher checking tasks unrecognizable home using pencil light interior 股票录像 Educator hands correcting homework at apartment closeup teacher checking tasks unrecognizable home using pencil light interior 股票录像
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