单词	health medicine
释义	health medicine 保健药品在书店
随便看	parallel shaft speed reducer parallel shaft type parallel shank parallel shank core drill parallel shank drill parallel shank endmill with coarse teeth parallel shank end-mill with coarse teeth parallel shank endmill with fine teeth parallel shank percussion drill parallel shank slotting endmill parallel shank twist drill parallel shared bus parallel shaving method parallel sheaf parallel shears parallel shed parallel shed machine parallel shift Parallel shift in the yield curve parallel shift maneuver parallel shift register parallel shock parallel-short-toss quick spike parallel shot parallel shunt