英语语法分析

Thiourea powder is a known cancer causing material.

硫脲粉是已知的致癌物质。

Diphenyl thiourea is an important intermediate of medicine and dyestuff.

二苯硫脲是重要的医药和染料的中间体。

The thiourea compounds are the broad spectral and high effective fungicides.

硫脲类化合物是一类具有广谱、高效的杀菌剂。