choroid（脉络膜）是什么意思？音标发音+图解场景

脉络膜 /ˈkɔːɹɔɪd/ n

English: choroid · 脉络膜

释义：Richly veined membrane located between the sclera and the retina, to which it carries nutrients and oxygen.

这个词出现在以下图解场景（1）