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词汇 pine tar
释义 pine tarn.(名词)
  1. A viscous or semisolid brown-to-black substance produced by the destructive distillation of pine wood and used in roofing compositions and as an expectorant and antiseptic.松焦油:一种粘性或半固体性的褐色到黑色物质,通过对松木的破坏蒸馏提炼,用于屋顶建造及化痰剂和消毒剂
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