Orthocartograph
正射投影测图仪
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
The healthful man can give counsel to the sick.
健康的人可以对生病的人提出忠告。
There is a stereo in the room.
客厅里有台立体声音响。