单词	serration
释义	ser·ra·tion (sə-rāshən, sĕ-) n. 1. A series or set of teeth or notches. 2. A single tooth or notch in a serrate edge.
随便看	tundra swan tune Tune tuneable tuneable tuneably tuneful tunefully tunefulness tune in tuneless tunelessly tunelessness tune out tuner tunesmith tune up tune-up tung oil tung-oil tree tungstate tungsten tungsten carbide tungstenic tungsten lamp

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