upper eyelid

漢語翻譯

例句：

1. Abnormal lowering or drooping of an organ or a part, especially a drooping of the upper eyelid caused by muscle weakness or paralysis.
   下垂一個器官或器官的一部分不正常的下降或垂落，尤其指由肌肉鬆弛或麻痹引起的上眼瞼的下垂
2. Tears are secreted by an organ under the upper eyelid.
   眼淚由上眼瞼下面的器官分泌。