eyelid

英 /ˈaɪlɪd/ 　美 /ˈaɪlɪd/

A tiny grain of sand irritated my eyelid.

一粒细沙刺激了我的眼皮。

The eyelids help protect the eyes from dust and spread moisture across their surface during blinking.

眼睑有助于阻挡灰尘，并在眨眼时将水分均匀分布在眼球表面。

搭配

upper eyelid 上眼睑lower eyelid 下眼睑swollen eyelid 肿胀的眼皮

eyelid是眼皮；eyelash是睫毛。