Retinal
a. 视网膜的\\n[化] 视黄醛
🗣️ 情景例句
Tomorrow morning it is.
确定是明天早晨。
It is the bridle and spur that makes a good horse.
要把马练好，缰绳靴刺少不了。
We don't think we can use any of it at all.
我看都不能用了。