syntactical

a.句法的

synchromesh, synchronization, synchronisation, synchronize, synchronize, synchronise, synchronous, syncopate, syncopation, syncope, syndicalism, syndicalist, syndicate, syndication, syndrome, synergic, synod, synonym, synonymous, synopsis, synoptic, syntactic, syntactically, syntax, synthesis, synthesize, synthesize, synthesise, synthesizer, synthesiser, synthetic, synthetically, syphilis, syphilitic, syringa, syringe, syrup, syrupy, system, systematic, systematic(al), systematically, systematization, systematisation, systematize,