His stomach heaved at sight of the mess.他一见到食物就呕吐.At sight of the rainbow , the children were more glad than the parents.看见彩虹, 孩子们比大人更高兴.The virgins at sight of him fled in all directions.少女们看到他都四处奔逃....
经过反复施用除草剂，杂草得以彻底根除。With repeated applications of weedkiller, the weeds were overcome.这种除草剂在潮湿的土壤中分解.This herbicide degrades in moist soil.杂草对某些除草剂的抗药性已显现出来.Resistance of weeds to certain herbicides is beginning toshow up...