山东青岛：搭建“空中课堂”

array(1) { [88842]=> array(2) { [4]=> array(1) { [0]=> string(9) "光明网" } [2]=> array(5) { [0]=> string(4) "2020" [1]=> string(12) "空中课堂" [2]=> string(6) "录制" [3]=> string(6) "刚摄" [4]=> string(6) "张进" } } }