例句與造句

1. At a young age, both boys were instructed in technical drawing with pencil, charcoal and ink on tracing linen with T-square and triangle.
2. In order to accommodate his large scale of 1 : 80, 000, he glued together three portions of tracing linen to form a large single map of 7 feet by 3 feet.
3. It's difficult to find tracing linen in a sentence. 用tracing linen造句挺難的