单词	tooth shell
释义	tooth shell noun : any of a class (Scaphopoda) of burrowing marine mollusks with a tapering tubular shell also : this shell Word History First Known Use circa 1711, in the meaning defined above
随便看	phenanthra- phenanthrene phenanthrenes phenanthridone phenanthro- phenanthroline phenanthryl phenarsazine chloride phenates phenazine phenazines phenazins phencyclidine phencyclidines phene phenes phenethyl phenethylamine phenetic pheneticist pheneticists phenetics phenetidin phenetidine phenetidines

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