例句與造句

1. Pleats are categorized as " pressed ", that is, ironed or otherwise heat-set into a sharp crease, or " unpressed ", falling in soft rounded folds.
2. The left lip forms a plate which laps over upon the body of the shell, and gives rise to a small projecting keel, which is terminated below by a pointed and oblique tooth, from whence a rounded fold is given out, which is observed to wind spirally into the cavity.
3. It's difficult to find rounded fold in a sentence. 用rounded fold造句挺難的