low-grade
英 ['ləu'ɡreid]
美 
	    - adj. 低级的;品质低劣的
 
实用场景例句
- a low-grade infection
 - 轻度感染
 
牛津词典
- So when you eat out, you're either spending more cash or eating low - grade product.
 - 所以,当你到外面吃饭的时候, 你不是花费了更多的金钱,就是食用了劣等的东西.
 
期刊摘选
- The low grade mineral resources are widely distributed in the western China.
 - 我国西部地区广泛分布着低品位金矿资源.
 
期刊摘选
- He is a bit let down by the low grade he got.
 - 这次成绩不好,他有点气馁.
 
《简明英汉词典》
- This paper analyzes the utilization problem of low grade ore with many uses.
 - 微生物种类及其作用机理是浸出低品位矿石的关键所在.
 
期刊摘选
- Leonard got a low grade in one subject, but all in all he's a good student.
 - 李奥纳多有一科成绩很差, 不过整体而言还算是个好学生.
 
期刊摘选