nitrates

例句:

• Other long-acting nitrates may be used to create long-term arterial dilatation.
  来自BBC
• 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。
  
• Nitrates leach from the soil into rivers.
  硝酸盐由土壤渗入江河。
  
• Neighborhoods along busy roads have more nitrates from vehicle exhaust.
  来自SA
• Some parents may use vegetables that contain high levels of nitrates.
  来自VOA