【医】 terra silicea purificata
make with extra care; refine
【化】 polishing; refining
【医】 purification; rectification; refine; refinement
【经】 refine; refining
【化】 diatomaceous earth; diatomite; infusorial earth; kieselguhr
siliceous earth; tripolite
【医】 diatomaceous earth; diatomite; infusorial earth; kieselguhr
silicious earth