【医】 diphasic curve
both; double; even; twin; two; twofold【化】 dyad【医】 amb-; ambi-; ambo-; bi-; bis-; di-; diplo-; par
each other; mutually; appearance; looks; look at and appraise; photographposture【化】 phase【医】 phase
curve【医】 curve【经】 curve