例句與造句

1. On large trees these may become prominent burl-like bodies having several vertical or irregular folds in the callus covering.
2. Many of the fruits show irregular folds on the nutlet, that Wolfe and Tanai suggested were the result of a thin endocarp.
3. In addition to obesity and a family history of the disease, researchers said, many develop a condition called acanthosis nigricans, dark, irregular folds of skin around the neck, under the arms or behind the knees.
4. It's difficult to find irregular fold in a sentence. 用irregular fold造句挺難的