internal chiasma

例句：

1. 1. The engineer calculated the internalchiasma of the machine to ensureits proper functioning.
   工程师计算了机器的内部交叉面，以确保其正常工作。
2. 2. Thescientist discovered an unusual internal chiasmain the crystal structure.
   科学家在晶体结构中发现了不寻常的内部交叉面。
3. 3. Theteam successfully navigated through the complex internalchiasma of the labyrinth.
   团队成功地穿过了迷宫复杂的内部交叉面。