【医】 diechoscope
a few; both; tael; twain; two【医】 amb-; ambi-; ambo-; amphi-; bi-; di-; diplo-【经】 tael
aspirate; news; sound; tone【医】 bruit; note; phon-; phono-; sonus; sound; tone
stethoscope【医】 echometer; echoscope; stethophone; stethoscope