例句與造句

1. These are separated by a doubly toothed blackish band with a variable white edging.
2. Leaves are up to long, biternate or bipinnate, with ovate, doubly toothed leaflets.
3. Leaves are not compound, each up to 12 cm across, round in general outline but with 3 shallow lobes ( sometimes with two small additional lobes near the base ), the lobes doubly toothed at the edge.
4. It's difficult to find doubly toothed in a sentence. 用doubly toothed造句挺難的