英语语法分析

Early compact fluorescents were plagued with harsh white light and short life.

早期的紧凑型荧光灯发出的白光很刺眼，寿命又短，因此招致了不少批评。

LEDs, however, contain no mercury and already rival fluorescents in efficiency.

然而不用水银的LED在功效上已经可以与荧光灯相匹敌。

Compact fluorescents have been unpopular with consumers, and LED bulbs have been too dim.

以前，紧凑型荧光灯应用得不太普遍，而LED灯泡又不够亮。