Orthocartograph
正射投影测图仪
🗣️ 情景例句
Yes.
是的。
I was impressed very much.
我有深刻的印象。
After buying a new chain I was faced with the insurmountable task of putting the confusing jigsaw puzzle together again.
我买来一根新链条后，面临的就是如何把这些令人眼花缭乱的拼板重新组装起来。