英语语法分析

Fluorescent lights use electricity to excite mercury vapor. This produces ultraviolet light that causes a phosphor coating inside the bulb to glow.

荧光灯用电激发水银蒸气。这会生成紫外线光而使得镀在灯管内壁上的磷涂层发光.

This strikes the phosphor on the glass walls and makes it glow brightly.

当管壁上的磷粉碰到紫外线时，便能产生明亮的辉光。这就是荧光管的原理。

The simplest and most common way is to coat a blue LED with a yellow phosphor.

最简单也最普通就是在蓝色LED上罩一层黄色的磷。