Retinulate
a. retinula的變形
??? 情景例句
(a foreigner) Is that a special day?
（一個外國人）是一個特殊的日子嗎？
I'm thinking about my lesson.
我正在考慮課程。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底裝上大量環狀噴氣嘴以實現這一目的。