sophisticated

a.老练的，复杂的，尖端的

songwriter, sonic, sonic barrier, sonic boom, sonnet, sonny, sonority, sonorous, sonorously, soon, sooner or later, soot, soothe, soothing, soothsayer, sooty, sop, sophism, sophist, sophisticate, sophistication, sophistry, sophomore, sophomoric, soporific, soporifically, soppily, soppiness, sopping, soppy, soprano, sorbet, sorcerer, sorcery, sordid, sordidly, sordidness, sore, sorely, soreness,