Ectoretina
视网膜外层
🗣️ 情景例句
References?
备询人？
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。