thiodigalactosideWiktionary 原文英美构词拆解thiothio-前缀digalactosidedigalactoside词干thio-(chemistry) containing sulfur, especially a compound in which oxygen has been replaced by this element词源说明From thio- + digalactoside.释义名词noun1(organic chemistry) A digalactoside in which the oxygen that links the aglycone to the sugar is replaced by a sulfur