东京都立日比谷高等学校幽静的校园里,响起了优美动听的音乐钟声——上课了。在大野慎一郎校长和其他日本朋友的陪同下,我们走进了化学教室。只见教室前面的墙壁上,镶嵌着两块活动黑板。这两块黑板,同样大小,一上一下,只要按动机关,就可以交换位置。黑板前巨大的演示台上,摆放着各种实验仪器和药品。教室里安放着几十张实验台,台上也都摆放着仪器和药品。教室一侧比比相连的巨大玻璃窗和天花板上 On the secluded campus of the Tokyo Metropolitan University, the beautiful bell sounded—class. Accompanied by the president of Ichiro Ohno and other Japanese friends, we entered the chemistry classroom. I saw the wall in front of the classroom, inlaid with two active blackboards. The two blackboards, which are the same size and one on top, can exchange positions as long as the organs are pressed. On the huge display stand before the blackboard, there are various experimental instruments and medicines. There are dozens of laboratory benches in the classroom and instruments and medicines are on the table. One side of the classroom is larger than the huge glass windows and ceiling connected