stuff 原料，材料，物品，东西 He has got all the ～ ready for building his new house

subject 题目，主题 the ～ for a debate

submerge 浸没，淹没，湮没 The stream overflowed and ～d the farmland

submit 屈服，服从，投降 ～ to foreign pressure

subordinate 下级的 In the army ,captains are ～ to majors

substance 物质，实质 the ～ of pre-school education

substitute 代替者，代替物 He is the doctor’s ～ during holidays times

subtle 微妙的，巧妙的 His whole attitude has undergone a ～ change

subtract 减，减去 Subtract 4 from 10 you get 6

succession 连续，一系列 a ～ of debates

suck 吸，A large mosquito was sucking blood from the back of her hand

sue 控告，起诉 ～ sb for slander

summary 总结，概要 This book has a ～ at the end of each chapter

superb 极好的，一流的，杰出的 ～ science and engineering

superficial 表面的 a ～resemblance

superfluous过多的，剩余的，多余的a ～remark

supervise 监督，管理，指导 ～ sb’s every move

supplement增补，补充 a ～ to wages

suppress压制，镇压 ～human rights

supreme最高的，至上的 a ～ ruler

surpass超过，优于，强于，胜过 ～ advanced world

surplus过剩，剩余 a teacher ～

survey调查～ population growth in the southern provinces

survive 幸存，幸免于Only two people ～d the fire

suspect 怀疑 He ～ed a plot against his life

sustain支撑，承受The fountains were not strong enough to ～ the weight of the house