英语语法分析

May be used as a protectant against further irritation.

可以作为保护剂抵制进一步的过敏。

It contains water, hydrated lime, a tree protectant and red food color.

它包含了水，石灰，树木保护剂和食用红色素。

Alternate use of systemic and protectant fungicides may delay the onset of resistance.

内吸性杀菌剂与保护性杀菌剂交替使用可以延缓抗药性的出现。