（单词翻译:单击）
R
radiant,rational,realistic,reasonable,reciprocal,reckless,redundant,
regenerative,reliable, reluctant,repeal,respectable,respectful,respective,respectively,reverse,
revival,ridiculous, rigorous,romantic
S
sensible,sensitive,shabby,sheer,simultaneous,slender,snobbish,soluble,
sophisticated,spatial, splendid,spontaneous,stationary,statistical,steep,stringent,subsidiary,
substantial,successive, superficial,susceptible,suspicious,symmetrical,
sympathetic
