用“substitution”造句大全，substitution造句
Thegentleartofsubstitutionandimprovisation.Aminescanengageinnucleophilesubstitutionreactionwithalky.Thegreatlawofsubstitutionistheanswertofear.Theythentraverseasubstitutionchainofelementdeclarationsor...
用“electrophilic substitution”造句大全，electrophilic substitution造句
electrophilicsubstitutionnucleophile-assistedunimolecularelectrophilicsubstitution...