Copolyimide

共聚多酰胺

🗣️ 情景例句

What's your problem, Mike?
你现在问题在哪 ,Mike?
The doctor is often more to be feared than the disease.
医生往往比疾病更令人生畏。
We found it difficult to work with him.
我们发现和他共事很难。
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