low-grade的中文翻译是什么意思

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.

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.

He is a bit let down by the low grade he got.

这次成绩不好,他有点气馁.

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.

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.