thumb-claw complex

例句：

1. 1.The thumb-claw complex is responsible for the ability to grip and manipulate objects with our thumbs.
   拇指爪复合体负责我们用拇指抓住和操纵物体的能力。
2. 2.The thumb-claw complex is also involved in the development of the nervous system.
   拇指爪复合体也参与神经系统的发展。
3. 3. Researchers have been studying the thumb-claw complex in order to better understand how it affects our daily activities.
   研究人员一直在研究拇指爪复合体，以便更好地理解它如何影响我们的日常生活。