O
objective, observe, obtain, obvious, occasion, occupation,
occur, opinion, ordinary, organ, origin, original, oppose,
opposite, opportunity, operate, operation, otherwise, ought to,
outside, outer, oven, overcoat, overcome, own
P
package, pain, painful, pale, participate, particularly,
passive, patient, patience, pattern, peace, perfect, perform,
permanent, press, pressure, persuade, pet, phrase, philosopher,
physical, picnic, pigeon, pile, pin, pioneer, pipe, plastic,
pleasure, plentiful, plenty, poet, poison, policy, polite, pollute,
pollution, pop, popular, population, possibility, positive,
postpone, poverty, powerful, practical, practice, practice, praise,
pray, predict, president, previous, primary, private, prize,
probability, probable, probably, process, product, production,
program, progress, progressive, project, promise, promote,
pronunciation, proper, proportion, proposal, propose, protect,
prove, proof, provide, public, publish, punish, pupil, purpose
Q
qualify, quality, quarter, quit
R
range, railroad, rapid, rate, ray, ready, reasonable, recall,
recognition, recognize, record, recommend, recover, reduce, refer,
reference, refrigerator, regardless, regret, region, register,
relate, relation, relative, relax, release, reliable, remark,
remarkable, remind, replace, reply, rescue, resemble, resist,
resistance, resource, respect, respective, represent, responsible,
retain, reveal, review, revolution, rid, ride, rise, rock, roll,
root, round, ruin
S
sack, salary, sale, salesman, satellite, satisfactory, saving,
scholar, scholarship, score, screen, seal, secondary, secret,
security, seldom, select, selfish, sense, sensible, separate,
series, service, severe, sex, shade, shape, share, sharp, shelter,
shift, shoot, shock, shortage, sickness, side by side, sign,
shrink, similar, simple, simplicity, simply, sink, situation, size,
skillful, slam, slip, smell, social, solve, somehow, sort, source,
spare, speed, spin, spider, split, spite, spot, spread, stable,
stage, state, statement, station, steadily, steam, step, stimulate,
store, straight, strange, struggle, subject, style, sudden, suffer,
sum, supply, support, suppose, surround, surroundings, survey,
system

• obtain [əb´tein] v.获得；买到；得到承认 (初中英语单词)
• obvious [´ɔbviəs] a.明显的；显而易见的 (初中英语单词)
• origin [´ɔridʒin] n.起源；由来；出身 (初中英语单词)
• operate [´ɔpəreit] v.(使)运转；操作；经营 (初中英语单词)
• otherwise [´ʌðəwaiz] ad.另外 conj.否则 (初中英语单词)
• overcome [,əuvə´kʌm] vt.战胜，克服 (初中英语单词)
• patience [´peiʃəns] n.忍耐(力)；耐心；坚韧 (初中英语单词)
• pressure [´preʃə] n.压榨 vt.对...施压力 (初中英语单词)
• persuade [pə´sweid] v.(被)说服；使相信 (初中英语单词)
• phrase [freiz] n.短语；词组；措词 (初中英语单词)
• pigeon [pidʒin] n.鸽子 (初中英语单词)
• pioneer [,paiə´niə] n.拓荒者 v.开辟；倡导 (初中英语单词)
• poison [´pɔizən] n.毒物 v.毒害 a.有毒的 (初中英语单词)
• polite [pə´lait] a.有礼貌的；温和的 (初中英语单词)
• possibility [,pɔsə´biliti] n.可能(性)；希望；前途 (初中英语单词)
• poverty [´pɔvəti] n.贫穷(乏，瘠)；不足 (初中英语单词)
• previous [´pri:viəs] a.先，前，以前的 (初中英语单词)
• primary [´praiməri] a.主要的 n.居首位的 (初中英语单词)
• probable [´prɔbəbəl] a.大概的n.很可能的事 (初中英语单词)
• project [prə´dʒekt, ´prɔdʒekt] v.设计；投掷 n.计划 (初中英语单词)
• proportion [prə´pɔ:ʃən] n.比率 vt.使成比例 (初中英语单词)
• punish [´pʌniʃ] vt.(惩)罚；痛击；折磨 (初中英语单词)
• reasonable [´rizənəbəl] a.合理的；有理智的 (初中英语单词)
• recommend [,rekə´mend] vt.推荐；使受欢迎 (初中英语单词)
• relative [´relətiv] a.有关系的 n.亲属 (初中英语单词)
• release [ri´li:s] vt&n.释放；放松；赦免 (初中英语单词)
• remind [ri´maind] vt.提醒；使记(想)起 (初中英语单词)
• replace [ri´pleis] vt.放回；复置；取代 (初中英语单词)
• rescue [´reskju:] vt.&n.救援；挽救 (初中英语单词)
• resemble [ri´zembəl] vt.类似，象 (初中英语单词)
• resource [ri´zɔ:s] n.手段；智谋 (初中英语单词)
• review [ri´vju:] v.&n.复习；回顾；检查 (初中英语单词)
• satisfactory [,sætis´fæktəri] a.令人满意的 (初中英语单词)
• screen [skri:n] n.银幕 vt.遮蔽 (初中英语单词)
• secondary [´sekəndəri, -deri] a.第二的；次要的 (初中英语单词)
• selfish [´selfiʃ] a.自私的，利己的 (初中英语单词)
• sensible [´sensəbəl] a.感觉得到的 (初中英语单词)
• severe [si´viə] a.严厉的；苛刻的 (初中英语单词)
• sickness [´siknis] n.生病；呕吐，恶心 (初中英语单词)
• spider [´spaidə] n.蜘蛛；三角架 (初中英语单词)
• steadily [´stedili] ad.坚定地；不断地 (初中英语单词)
• overcoat [´əuvəkəut] n.大衣 (高中英语单词)
• painful [´peinfəl] a.痛(苦)的；费力的 (高中英语单词)
• picnic [´piknik] n.郊游 vi.(去)野餐 (高中英语单词)
• plentiful [´plentifəl] a.丰富的；多的 (高中英语单词)
• predict [pri´dikt] v.预言；预告；预示 (高中英语单词)
• progressive [prə´gresiv] a.进步的；前进的 (高中英语单词)
• refrigerator [ri´fridʒəreitə] n.(电气)冰箱 (高中英语单词)
• regardless [ri´gɑ:dləs] a.不留心的；不关心的 (高中英语单词)
• reliable [ri´laiəbl] a.可靠的；可信赖的 (高中英语单词)
• salesman [´seilzmən] n.店员；推销员 (高中英语单词)
• simplicity [sim´plisiti] n.简单；朴素 (高中英语单词)
• participate [pɑ:´tisipeit] v.参与；分享；带有 (英语四级单词)
• policy [´pɔlisi] n.政策；权谋；保险单 (英语四级单词)
• respective [ri´spektiv] a.各自的，各个的 (英语四级单词)
• scholarship [´skɔləʃip, ´skɑlər-] n.学术成就；学问 (英语四级单词)
• shortage [´ʃɔ:tidʒ] n.不足(量)；缺少 (英语四级单词)
• satellite [´sætəlait] n.(人造)卫星；随从 (英语六级单词)