diametrical

adj of or along a diameter 直径的; 沿直径的.

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