diameter

n.直径

diagnosis, diagnostic, diagonal, diagonally, diagram, diagrammatic, diagrammatically, dial, dialect, dialectal, dialectic, dialectical, dialectically, dialectician, dialectics, dialog, dialogue, dialogue (US also dialog), dialysis, diamante, diametre, diametrical, diametrically, diamond, diamond jubilee, diamond wedding, diaper, diaphanous, diaphragm, diarist, diarrhoea (US diarrhea), diary, Diaspora, diastase, diatom, diatonic, diatribe, dibble, dice, dicey,