除草剂

With repeated applications of weedkiller, the weeds were overcome.

经过反复施用除草剂，杂草得以彻底根除。

This herbicide degrades in moist soil.

这种除草剂在潮湿的土壤中分解。

Resistance of weeds to certain herbicides is beginning toshow up.

杂草对某些除草剂的抗药性已显现出来。

Arsenic is widely associated with the manufature of herbicides and pesticides.

砷广泛地应用于除草剂和杀虫剂的制造中。

He attributed this to a dilution effect of the herbicide.

他把这归因于除草剂的稀释效应。