low-grade

英 [ˌləʊ ˈɡreɪd]

美 [ˌloʊ ˈɡreɪd]

adj.  质量差的; 劣质的; 不太严重的; 轻度的

医学

牛津词典

adj.

• 质量差的；劣质的
  of low quality
• 不太严重的；轻度的
  of a less serious type
  1. a low-grade infection
     轻度感染

英英释义

adj

• of inferior quality

双语例句

• To be awarded in high, medium and low-grade specifications of the various products.
  可以承接高、中、低档等各种规格的产品生产。
• The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
  介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
• However, these countries have low-grade, low-cost products is still substantial demand for fasteners.
  然而，这些国家的低等级，低成本的产品仍然是对紧固件的需求很大。
• My son has had a low-grade fever for several days.
  我儿子已发了几天的低烧。
• The jacket is made of some low-grade material.
  这件夹克是用某种劣等料子做的。
• The high-purity manganese carbonate is prepared by leaching manganese with sulfur dioxide, removing impurities, carbonating and crystallizing from Xiangtan's low-grade manganese ore.
  采用湘潭低品位的贫软锰矿为原料，对二氧化硫气体湿法浸锰、浸出液除杂、碳化结晶制备高纯碳酸锰的工艺进行了研究。
• Mineral processing technology study on a low-grade iron ore in Hebei
  河北某低品位铁矿选矿工艺流程研究
• Now, from a performance point of view, high, medium, low-grade products that we have.
  现在，从一个角度，高，中，低档产品，我们的表现一点。
• But they sold high-grade resources to big investors and stopped prospecting, leaving low-grade gold ore unused.
  他们常常把高品位的资源卖给大投资商，却置低品位的金矿石而不顾，让它荒弃掉。
• You have the charisma of a wet rag and the appearance of a low-grade bank clerk.
  您有一种湿抹布般的个人魅力，和一名银行低级职员的长相。