adj.无杂草的
Weeds are an index to the character of the soil.
杂草是反映土壤特征的一个指标。
We hurried on until we reached a courtyard overgrown with weeds.
我们匆匆往前走,来到一个野草丛生的院子。
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。