【机】 biconvex
a few; both; tael; twain; two
【医】 amb-; ambi-; ambo-; amphi-; bi-; di-; diplo-
【经】 tael
face; surface; cover; directly; range; scale; side
【医】 face; facies; facio-; prosopo-; surface
protruding
【医】 convexity; cyrto-; prominence; prominentia