Refringency
折射系数
🗣️ 情景例句
Sure. Oh, sorry, Mary, I'd better go now.
可以。哦，抱歉，Mary，我要挂电话了。
Talk back.
你还顶嘴！
This modern faith in medicines is proved by the fact
这个事实证实了现代人对药物的信赖。