Infosystems
信息系统
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
He is in difficulty in his business.
他在事业上遇到困难了。
He say he'll write a letter soon. He hopes we are all Well.
他说他很快会写信的。他祝我们大家身体好。