symmetric

adj.对称的

syllabically, syllabification, syllabify, syllable, syllabub (also sillabub), syllabus, syllogism, syllogistic, sylph, sylphlike, sylvan, symbiosis, symbiotic, symbol, symbolic, symbolically, symbolism, symbolist, symbolize, symbolize, symbolise, symmetrical, symmetrically, symmetry, sympathetic, sympathetically, sympathise, sympathize, sympathize with, sympathize, sympathise, sympathizer, sympathiser, sympathy, symphonic, symphony, symposium, symptom, symptomatic, synagogue, synapse, sync (also synch), synchromesh,