S
Sacrifice, sad, safe, safeguard, safely, safety, sake, salary, sale, salt, same, sample, sand (注意该 词单复数的词义差异), satellite, satisfactory, satisfy, satisfying, save, savings, say, saying, scale, scarcely/hardly/seldom/rarely, scatter, scene, scenery, schedule, scheme, scholarship, science, scientific, scold, score, Scotland, scream, screen, seal, search, season, seat, second, secondary, secondly, secretary, section, secure, see(注意该词的短语) , seek, seem, seize, select, self, selfish, send, senior, sense, sensible/ sensitive, sentence, separate, September, series, serious, seriously, serve, service, set (注意该词的短语), setback, settle, settlement, severe, severely, sexual, shake, shall, shallow, shame, shape, share, sharp, sharply, sheer, shift, shine, shock, shoot, shop, shopping, short, shortage, shortcoming, shorten, should, shout, show, shrink, shut, ,shy, sick, side, sight, sign, signal, significant, silence, silly, similar, similarly, simple, simple, since, sincere, Singapore, single, sink, sit, site, situation, size, skill, skilled, skillful, skin, sky, sleep, sleepy, slide, slight, slightly, slow, small, smart, smell, smile, smoke, smoker, smooth, smoothly, snake, snow, snowy, so, so-called, soccer, social, society, soft, soften, software, soil, sole, solid, solution, solve, some (注意该词的用法), somehow, something, sometime, sometimes, somewhere, song, soon, sorrow, sorry, sort, soul, sound(注意该词的跨词类用法), soup, source, south, space, spacious, Spain, Spanish, spare, speak, special, specialist, specially, species, specific, speculate, speech, speed, spend, spirit, spite, splendid, split, spoil (注意该词的用法), spoken, spokesman, sport, spot ( 注意该词的用法), spread, spring, spur, stable, staff, stage, stand(注意该词的短语), standard, stare, start, state (注意该词的用法), statement, status, stay, steady, steal, steam, steel, step, stick, stiff, still, stimulate, stir, stock, stop, storage, store, straight, strange, stranger, strategy, strength, strengthen, stress, strict, strictly, strike, striking, strong, strongly, structure, struggle, student, study, stuff, sturdy, stupid, style, subject, subjective, submit, substance, substantial, substitute, subtle, suburb, succeed, success, successful/successive, such, suffer, suffering, sufficient, suggest, suit, suitable, sum, summit, sunny, super, superior, supermarket, supervise, supply, support, suppose, sure, surface, surpass, surprising, surrounding, survey, survive, suspect, sweet, symbol, sympathetic, symptom, system.