Nanograph
镜面仪表读数记录用随动系统
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
I suppose it's difficult for you to do this.
我推测对你来说做这件事情是很困难的。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。