terminal segment of chelicera

例句：

1. 1.The scientist carefully dissected the animalto study its internal structure.
   科学家仔细解剖了这只动物，以研究其内部结构。
2. 2. The researcher found that the terminalsegment of the chelicera wascrucial for survival.
   研究人员发现螯肢的末端部分对于生存至关重要。
3. 3. Theartist painted a detailed pictureof the chelicera's terminal segment.
   艺术家绘制了一幅详细的螯肢末端部分的画。