玻璃棒

Finally he bought a pint of pure glycerine and a glass rod a foot long.

最后他又买了一品托纯甘油和一根一英尺长的玻璃棒。

Large numbers of electrons are transferred from the glass rod to the silk cloth.

大批电子由玻璃棒转移到绸布上。

How do the words inder the glass block look different?

在玻璃棒下面的字看起来有什么不同？

Under the glass block, light is refracted on passing through the glass.

在玻璃棒下面， 光穿过玻璃后发生折射。

The glass rod was found electrified.

（当时）发现那根玻璃棒带电了。