Diaphanograph
一种透过一片玻璃进行观察和描绘对象的工具
🗣️ 情景例句
Our products are of good quality and at a reasonable wholesale price.
我们的产品质量好，而且批发价很合理。
The sewing machine is out of order.
这缝纫机坏了。
What a lot of smoke!
好浓的烟啊！