retroversioflexion

例句：

1. 1. The physicist used a microscope to observe the retroversioflexion of the crystal.
   物理学家使用显微镜观察晶体的反向弯曲。
2. 2. The archaeologist found evidence of ancient humans' retroversioflexions in the fossils.
   考古学家在化石中发现古代人类反向弯曲的证据。
3. 3.The engineer calculated the retroversioflexion of the beam under different loads.
   工程师计算了梁在不同载荷下的反向弯曲。