“光纤”用英语怎么说？

“光纤”的拼音为：guāng xiān...

现在在英国，几乎所有长途电话都通过光纤而非电缆传输。Nearly every long-distance call made in Britain now travels on optical fibre instead of cable.但是,有了光纤电缆, 电视就可以真正成为交互式的.But with fiber - optic cables, television will become truly interactive.在非线...