eye stalk

例句：

1. 1. The scientist observedthe eye stalk of the animal and notedits unique shape.
   科学家观察了动物的眼柄，并注意到其独特的形状。
2. 2. Thedoctor removed the eye stalk to perform anoperation on the patient's eye.
   医生移除了眼柄以便对病人的眼睛进行手术。
3. 3. The researcher found that the eyestalk plays a crucial role in the animal's vision system.
   研究者发现眼柄在动物的视觉系统中起着至关重要的作用。