更多rugosity例句

1. At every step our leader trod the snow cautiously, seeking some rugosity on the rock beneath it.
2. The lower surface of the head of Rhinichthys is broad and flattened, with pronounced rugosity on the gular area and isthmus.
3. The basal rugosity or root is conical, thicker than the rest of the tooth, and unsymmetrical, being somewhat directed backward.