a low-grade infection

輕度感染

牛津詞典

So when you eat out, you're either spending more cash or eating low - grade product.

所以,當(dāng)你到外面吃飯的時(shí)候, 你不是花費(fèi)了更多的金錢(qián),就是食用了劣等的東西.

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The low grade mineral resources are widely distributed in the western China.

我國(guó)西部地區(qū)廣泛分布著低品位金礦資源.

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

這次成績(jī)不好,他有點(diǎn)氣餒.

《簡(jiǎn)明英漢詞典》

This paper analyzes the utilization problem of low grade ore with many uses.

微生物種類及其作用機(jī)理是浸出低品位礦石的關(guān)鍵所在.

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Leonard got a low grade in one subject, but all in all he's a good student.

李?yuàn)W納多有一科成績(jī)很差, 不過(guò)整體而言還算是個(gè)好學(xué)生.

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