单词	pentacyclic
释义	pentacyclic adjective pen·​ta·​cyclic ¦pentə+ : containing five usually fused rings in the molecular structure Word History Etymology penta- + cyclic
随便看	Tunker tunkeres tunkers tunket tunnage tunnages tunned tunnel tunnel diode tunnel effect tunnel kiln tunnel net tunnel of love tunnel right tunnel vault tunnel vision tunnel weaver tunnel-visioned tunneled tunneler tunnelers tunneling tunnelings tunnelled tunneller

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