Refringence
折射; 折射系数
🗣️ 情景例句
If you feel in any way unsatisfied, please just give me a call.
如果你觉得有任何不满意的地方，请给我电话。
Thanks. I'll certainly do that.
谢谢了，我一定会的。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。