Refringence
折射; 折射系数
🗣️ 情景例句
He is on another line right now.
他正在接另一个电话。
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
This is Miss Sophie Dupont.Sophie is a new student.She is French.
这位是索菲娅。杜邦小姐。索菲娅是个新学生。她是法国人。