例句與造句

1. The dental formula was i . 0 / 3, c . 1 / 1, p . 3 / 3?, m . 3 / 3, the upper canines having been long sabre-like weapons, protected by a descending flange on each side of the lower front jaw.
2. It's difficult to find front jaw in a sentence. 用front jaw造句挺難的