Refringency
折射系数
🗣️ 情景例句
If it is caused by the transportation?
如果是由运输造成的呢？
Friendship multiplies joys and divides griefs.
友谊可以增添欢乐，可以分担忧愁。
And I advise you not to eat fruit that isn't ripe in future.
还有，我劝你今后不要吃不熟的水果。