例句與造句

1. The smooth rods allow the cement to slide off like well-cooked meat from the bone.
2. The vitamins used on the Prusa i3 are a combination of common components including threaded rods, smooth rods, screws, nuts, 5 NEMA 17 stepper motors and more specialist equipment including a controller board, heated bed and hot end.
3. It's difficult to find smooth rod in a sentence. 用smooth rod造句挺難的