例句與造句

1. It presents four articular surfaces : one behind, of a triangular form, for articulation with the intermediate cuneiform bone; one at the upper part of its medial surface, for articulation with the medial cuneiform; and two on its lateral surface, an upper and lower, separated by a rough non-articular interval.
2. It's difficult to find intermediate cuneiform bones in a sentence. 用intermediate cuneiform bones造句挺難的