例句 |
Bone meal and nitrates are common fertilizers.骨粉和硝酸盐是普通肥料。The concentration of nitrates in the drinking water has risen in recent years.近年来饮用水中硝酸盐的浓度升高了。Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Nitrogen is converted into nitrates in the soil which plants can then use.氮转化为土壤中的硝酸盐,可被植物吸收。Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流进湖里的泉水和河水携带溶解的硝酸盐和磷酸盐。 |