noun 下载 🔗分享 开放日,公众开放日。 A casual event where an institution is open for inspection by anyone interested. Examples : "We visited several universities' open days before deciding where to apply. " 为了决定申请哪所大学,我们参观了好几所大学的开放日。 education event organization 与AI对话词汇游戏阅读练习