单词	cementum
释义	ce·men·tum (sĭ-mĕntəm) also ce·ment (-mĕnt) n. A bonelike substance covering the root of a tooth. [New Latin, from Latin caementum, rough stone; see CEMENT.]
随便看	Bt BT Bt. BTh Btss. BTU BTW bu. bub Bubastis bubba bubble bubble and squeak bubble bath bubble chamber signaller signally signal-to-noise ratio signal transduction signatory signature signboard signed signee signer

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