fissula ante fenestram

例句：

1. 1. The rock fissula is visible through the crack in the wall.
   岩石的裂缝从墙上的裂缝中可见。
2. 2.The old tree has several fissula that need to be repaired.
   这棵老树有几个裂缝需要修理。
3. 3.The scientist observed the fissula formation during his fieldwork.
   这位科学家在野外考察时观察到了裂缝的形成。