英语语法分析

One of the most dangerous is hydroquinone.

其中一个最危险的是对苯二酚。

Hydroquinone has been banned in several countries.

一些国家已经禁用对苯二酚。

Alternatively, it can be combined with small concentrations of hydroquinone.

另外，可以结合小浓度的对苯二酚。