单词	back-fanged
释义	back-fanged adjective of a snake : having grooved venom-conducting teeth located posteriorly in the roof of the mouth compare front-fanged, opisthoglypha Word History First Known Use 1923, in the meaning defined above
随便看	sink or swim sink to new depths sink to someone's level sink without a trace sink without trace sinkable sinkabler sinkablest sinkage sinkages sinkapace sinkboat sinkbox sinked sinker sinker bar sinker drill sinker wood sinkerballs sinkerless sinkers sinkfield sinkhead sinkhole sinkholes

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