rostrum of corpus callosum

例句：

1. 1. The rostrumof the skull is visible through the openingin the forehead.
   颅顶的额部通过前额上的开口可见。
2. 2. Therostrum of the skull is visiblethrough the opening in the forehead.
   颅顶的额部通过前额上的开口可见。
3. 3. The rostrum of theskull is visible through the opening in theforehead.
   颅顶的额部通过前额上的开口可见。