英语词汇“pine tar”是什么意思，“pine tar”的读音、用法及例句翻译-烛光网

词汇	pine tar
释义	pine tarn.（名词） 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
随便看	gravisphere gravitas gravitate gravitated gravitates gravitating gravitation gravitational collapse gravitational constant gravitational force gravitational interaction gravitational lens gravitational wave gravitations gravities graviton gravitons gravity gravity gravity assist gravity wave gravlaks gravlax gravure gravures

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