| 例句 |
Nitrates are used as preservatives in food manufacture.硝酸盐在食品加工业中被用作防腐剂。Nitrates are used as fertilizers in agriculture.硝酸盐在农业上用作肥料。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。Nitrates are chemicals that occur naturally in water and the soil.硝酸盐是水和土壤中自然存在的化学物质。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。Nitrates fertilize soil.硝酸盐使土地肥沃。High levels of nitrate occur in eastern England because of the heavy use of fertilizers.英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。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。Bone meal and nitrates are common fertilizers.骨粉和硝酸盐是普通肥料。Nitrates are chemicals that occur naturally in water.硝酸盐是水里天然存在的化学物质。 |