Ocra
abbr. obstruction of central retinal artery 视网膜中央动脉阻塞
🗣️ 情景例句
The way to learn a language is to practice speaking it as often as possible.
学习一门语言的方法就是要尽量多地操练说出它来。
Everything must have a beginning.
凡是都有起源。
It looks as if it hasn't been washed following the instructions.
这看起来没按说明来洗。