Nictitating membrane
n. （某些动物的）瞬膜; 第三眼睑
🧩 词语组成解析
v. 眨眼( nictitate的现在分词 )
membrane
['membrein]
n. （动物或植物体内的）薄膜;隔膜;（可起防水、防风等作用的）膜状物;
🗣️ 情景例句
I don't know.
我不知道。
We never know the worth of water till the well is dry.
井干方知水可贵。
My French isn't very good but it is enough to get by.
我的法语不是太好，但应付一下也够了。