一条野狗走近他。A stray dog came up to him.只有两只野狗从这场混乱中得到了好处.Only two stray dogs benefited from all this confusion.格林把十只驯服了的野狗养在隔离的实验围栏里.Green kept 10 tame dingoes in separate laboratory pens....
菜田里撒上了农药.The pesticide was spread over the vegetable plot.世界上有关农药的生产和利用的材料是很分散的.Data on the world production and use of pesticides is fragmentary.生物降解主要影响土壤中农药的行为和命运.Microbial degradation critically affects the fate and ...