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[化] 丙阶段酚醛树脂\\n[医] 丙阶酚醛树脂, 不熔酚醛树脂
🗣️ 情景例句
Thank you very much.
非常感谢。
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。