Geometronics
地球测绘电子学
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
I am very much thrilled to see this luxurious office.
看到这样一个高层次的分支机构我感到很激动。
knowing that others will carry on what I can no longer do,
明白了有人会继续我的未竟事业，