dextrorotary的意思？

dextrorotary的音标：dextrorotary的英式发音音标为：[ˌdekstrəʊ'rəʊtərɪ]dextrorotary的美式发音音标为：[ˌdekstrə'roʊtərɪ]...

Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵....