a. 肥皂似的, 肥皂质的, 圆滑的

[医] 肥皂性的

[ adj ]
resembling or having the qualities of soap
<adj.pert>
a soapy consistency

Saponaceous \Sap`o*na"ceous\, a. [L. sapo, -onis, soap, of
Teutonic origin, and akin to E. soap. See {Soap}.]
Resembling soap; having the qualities of soap; soapy.

Note: Saponaceous bodies are compounds of an acid and a base,
and are in reality a kind of salt.