这种作用解释了为什么看起来玻璃杯中的吸管在水面处弯曲。
This effect explains why a straw in a glass of water appears to bend at the surface of the water.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
加冰摇合原料，滤入冰过的玻璃杯，注满发泡矿泉水。置入吸管。
Shake with ice and strain. Fill up with sparkling mineral water. Serve with a straw.
应用推荐